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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
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			"statement": "The signal x = [1  2  2] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/rqystr.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [5  4  2  5] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/hlpyge.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [5  4] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/picxma.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [4  2  3] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/fktfho.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [2  5  3] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/fuikkg.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [5  1  1] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/bdnbyp.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [1  4  2] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/cqfpvp.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [4  5  3  1] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/nsegyl.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [1  4  2] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  5th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/cljjmd.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [5  5] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/oblnnj.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [3  5  4  2] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/gtbbip.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [1  5  3  3] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/nvbavz.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [1  3  4] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/arpepc.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [1  3] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/wyjycz.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [4  2  2  1] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ukskwe.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [4  3  5] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ucmluz.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  3  3] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/gjyqma.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  4  3] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/whscdc.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "286.11", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  5  3] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/stkgto.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "866.25", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  5  1] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/rhxnxu.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "352.44", 
			
			"maxValue": "359.56", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  3  4  5] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/vjgpit.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "199.98", 
			
			"maxValue": "204.02", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  2  1] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/dggkam.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "32.67", 
			
			"maxValue": "33.33", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  3] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/xsbbed.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "207.9", 
			
			"maxValue": "212.1", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  1  1  3] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/njvfvu.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "102.96", 
			
			"maxValue": "105.04", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  3  2] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/wgcggn.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "103.95", 
			
			"maxValue": "106.05", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  4  1] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/gsnbir.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "243.54", 
			
			"maxValue": "248.46", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
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			"statement": "The signal x = [5  2  4] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  5th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/bucohf.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "330.66", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  2  2] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/deqzlg.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "47.52", 
			
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},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [2  2] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/piddsl.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "104.94", 
			
			"maxValue": "107.06", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [4  2] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/pqtqbc.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "75.24", 
			
			"maxValue": "76.76", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  1] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  5th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/kdxrzl.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "247.5", 
			
			"maxValue": "252.5", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [4  4  3  1] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  5th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/oougxn.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "2148.3", 
			
			"maxValue": "2191.7", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  3] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/hnkunh.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "24.75", 
			
			"maxValue": "25.25", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  4  3  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/gfruma.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "111.87", 
			
			"maxValue": "114.13", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  4  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/wrsbte.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "54.45", 
			
			"maxValue": "55.55", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ackuzs.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "60.39", 
			
			"maxValue": "61.61", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  3  2  5] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ddyxol.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "491.04", 
			
			"maxValue": "500.96", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/lisnid.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "544.5", 
			
			"maxValue": "555.5", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/bndyki.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "109.89", 
			
			"maxValue": "112.11", "correctAnswerFraction": false, "allowFractions": false, "mustBeReduced": false, "mustBeReducedPC": 0, "displayAnswer": "", "showFractionHint": true, "notationStyles": ["plain", "en", "si-en"], "correctAnswerStyle": "plain"}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always"
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
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			"statement": "The signal x = [4  2  3  4] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ovofvg.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  3  1] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/eykkez.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [1  3  2] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/klntsz.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [5  4] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  3rd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ugtppf.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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},{
			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  5  4  1] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  5th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/lvwurf.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
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			"statement": "The signal x = [4  1] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/udhwty.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
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			"statement": "The signal x = [5  4] is  passed through the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/bgyoxm.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"name": "Determine the output of a basic discrete IIR system", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "contributors": [{"name": "", "profile_url": ""}], "tags": [], "metadata": {
			
			"description": "", "licence": "None specified"}, 
			
			"statement": "The signal x = [3  2  3  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/tuccaa.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [3  4  2] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  5th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/jkalbe.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [3  2  1  4] is  fed_into the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  2nd samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/ookhku.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
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			"statement": "The signal x = [1  4  5  4] is  applied to the discrete system (Infinite Impulse Response - IIR) shown in the signal flow diagram below. Determine the output, y[n], of the system, then sum the  0th and  4th samples of y[n] and enter this result in the answer field below. <img src=\"https:\/\/stemolq.com\/quiz_data_files\/discrete_system_time_domain_response_df\/vnnwdh.svg\" >", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "numberentry", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": false, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the answer in field box below</p>", 
			
			"minValue": "538.56", 
			
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 0.69       -4.12        1.76        2.69]; a =[1       -4.17        3.32       -2.56]","b = [ 0.69        4.12        1.76        2.69]; a =[1        4.17       -3.32        2.56]","b = [ 0.69       -4.12        1.76        2.69]; a =[1        4.17       -3.32        2.56]","b = [ -0.69        4.12       -1.76       -2.69]; a =[1       -4.17        3.32       -2.56]","b = [ -0.69        4.12       -1.76       -2.69]; a =[1        4.17       -3.32        2.56]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 0.69<i>x<\/i>[n] - 4.12<i>x<\/i>[n-1] + 1.76<i>x<\/i>[n-2] + 2.69<i>x<\/i>[n-3] + 4.17<i>y<\/i>[n-1] - 3.32<i>y<\/i>[n-2] + 2.56<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.69<i>x<\/i>[n] + 4.12<i>x<\/i>[n-1] + 1.76<i>x<\/i>[n-2] + 2.69<i>x<\/i>[n-3] - 4.17<i>y<\/i>[n-1] + 3.32<i>y<\/i>[n-2] - 2.56<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.69<i>x<\/i>[n] - 4.12<i>x<\/i>[n-1] + 1.76<i>x<\/i>[n-2] + 2.69<i>x<\/i>[n-3] - 4.17<i>y<\/i>[n-1] + 3.32<i>y<\/i>[n-2] - 2.56<i>y<\/i>[n-3]","<i>y<\/i>[n] = -0.69<i>x<\/i>[n] + 4.12<i>x<\/i>[n-1] - 1.76<i>x<\/i>[n-2] - 2.69<i>x<\/i>[n-3] + 4.17<i>y<\/i>[n-1] - 3.32<i>y<\/i>[n-2] + 2.56<i>y<\/i>[n-3]","<i>y<\/i>[n] = -0.69<i>x<\/i>[n] + 4.12<i>x<\/i>[n-1] - 1.76<i>x<\/i>[n-2] - 2.69<i>x<\/i>[n-3] - 4.17<i>y<\/i>[n-1] + 3.32<i>y<\/i>[n-2] - 2.56<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 1.32        -3.5       -4.32       -2.26]; a =[1       -2.46       -2.35       -3.41        2.82]","b = [ 1.32         3.5       -4.32       -2.26]; a =[1        2.46        2.35        3.41       -2.82]","b = [ 1.32        -3.5       -4.32       -2.26]; a =[1        2.46        2.35        3.41       -2.82]","b = [ -1.32         3.5        4.32        2.26]; a =[1       -2.46       -2.35       -3.41        2.82]","b = [ -1.32         3.5        4.32        2.26]; a =[1        2.46        2.35        3.41       -2.82]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.32<i>x<\/i>[n] - 3.5<i>x<\/i>[n-1] - 4.32<i>x<\/i>[n-2] - 2.26<i>x<\/i>[n-3] + 2.46<i>y<\/i>[n-1] + 2.35<i>y<\/i>[n-2] + 3.41<i>y<\/i>[n-3] - 2.82<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.32<i>x<\/i>[n] + 3.5<i>x<\/i>[n-1] - 4.32<i>x<\/i>[n-2] - 2.26<i>x<\/i>[n-3] - 2.46<i>y<\/i>[n-1] - 2.35<i>y<\/i>[n-2] - 3.41<i>y<\/i>[n-3] + 2.82<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.32<i>x<\/i>[n] - 3.5<i>x<\/i>[n-1] - 4.32<i>x<\/i>[n-2] - 2.26<i>x<\/i>[n-3] - 2.46<i>y<\/i>[n-1] - 2.35<i>y<\/i>[n-2] - 3.41<i>y<\/i>[n-3] + 2.82<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.32<i>x<\/i>[n] + 3.5<i>x<\/i>[n-1] + 4.32<i>x<\/i>[n-2] + 2.26<i>x<\/i>[n-3] + 2.46<i>y<\/i>[n-1] + 2.35<i>y<\/i>[n-2] + 3.41<i>y<\/i>[n-3] - 2.82<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.32<i>x<\/i>[n] + 3.5<i>x<\/i>[n-1] + 4.32<i>x<\/i>[n-2] + 2.26<i>x<\/i>[n-3] - 2.46<i>y<\/i>[n-1] - 2.35<i>y<\/i>[n-2] - 3.41<i>y<\/i>[n-3] + 2.82<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -3.47       -2.79]; a =[1       -0.82        1.51       -3.99        4.22]","b = [ -3.47        2.79]; a =[1        0.82       -1.51        3.99       -4.22]","b = [ -3.47       -2.79]; a =[1        0.82       -1.51        3.99       -4.22]","b = [ 3.47        2.79]; a =[1       -0.82        1.51       -3.99        4.22]","b = [ 3.47        2.79]; a =[1        0.82       -1.51        3.99       -4.22]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.47<i>x<\/i>[n] - 2.79<i>x<\/i>[n-1] + 0.82<i>y<\/i>[n-1] - 1.51<i>y<\/i>[n-2] + 3.99<i>y<\/i>[n-3] - 4.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = -3.47<i>x<\/i>[n] + 2.79<i>x<\/i>[n-1] - 0.82<i>y<\/i>[n-1] + 1.51<i>y<\/i>[n-2] - 3.99<i>y<\/i>[n-3] + 4.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = -3.47<i>x<\/i>[n] - 2.79<i>x<\/i>[n-1] - 0.82<i>y<\/i>[n-1] + 1.51<i>y<\/i>[n-2] - 3.99<i>y<\/i>[n-3] + 4.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = 3.47<i>x<\/i>[n] + 2.79<i>x<\/i>[n-1] + 0.82<i>y<\/i>[n-1] - 1.51<i>y<\/i>[n-2] + 3.99<i>y<\/i>[n-3] - 4.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = 3.47<i>x<\/i>[n] + 2.79<i>x<\/i>[n-1] - 0.82<i>y<\/i>[n-1] + 1.51<i>y<\/i>[n-2] - 3.99<i>y<\/i>[n-3] + 4.22<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 1.01        3.93        3.23        1.82]; a =[1        -1.1       -4.41        0.16       -4.34]","b = [ 1.01        3.93        3.23       -1.82]; a =[1         1.1        4.41       -0.16        4.34]","b = [ 1.01        3.93        3.23        1.82]; a =[1         1.1        4.41       -0.16        4.34]","b = [ -1.01       -3.93       -3.23       -1.82]; a =[1        -1.1       -4.41        0.16       -4.34]","b = [ -1.01       -3.93       -3.23       -1.82]; a =[1         1.1        4.41       -0.16        4.34]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.01<i>x<\/i>[n] + 3.93<i>x<\/i>[n-1] + 3.23<i>x<\/i>[n-2] + 1.82<i>x<\/i>[n-3] + 1.1<i>y<\/i>[n-1] + 4.41<i>y<\/i>[n-2] - 0.16<i>y<\/i>[n-3] + 4.34<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.01<i>x<\/i>[n] + 3.93<i>x<\/i>[n-1] + 3.23<i>x<\/i>[n-2] - 1.82<i>x<\/i>[n-3] - 1.1<i>y<\/i>[n-1] - 4.41<i>y<\/i>[n-2] + 0.16<i>y<\/i>[n-3] - 4.34<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.01<i>x<\/i>[n] + 3.93<i>x<\/i>[n-1] + 3.23<i>x<\/i>[n-2] + 1.82<i>x<\/i>[n-3] - 1.1<i>y<\/i>[n-1] - 4.41<i>y<\/i>[n-2] + 0.16<i>y<\/i>[n-3] - 4.34<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.01<i>x<\/i>[n] - 3.93<i>x<\/i>[n-1] - 3.23<i>x<\/i>[n-2] - 1.82<i>x<\/i>[n-3] + 1.1<i>y<\/i>[n-1] + 4.41<i>y<\/i>[n-2] - 0.16<i>y<\/i>[n-3] + 4.34<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.01<i>x<\/i>[n] - 3.93<i>x<\/i>[n-1] - 3.23<i>x<\/i>[n-2] - 1.82<i>x<\/i>[n-3] - 1.1<i>y<\/i>[n-1] - 4.41<i>y<\/i>[n-2] + 0.16<i>y<\/i>[n-3] - 4.34<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 2.87       -4.47        2.79]; a =[1        4.87        -4.2        2.54        4.95]","b = [ 2.87        4.47        2.79]; a =[1       -4.87         4.2       -2.54       -4.95]","b = [ 2.87       -4.47        2.79]; a =[1       -4.87         4.2       -2.54       -4.95]","b = [ -2.87        4.47       -2.79]; a =[1        4.87        -4.2        2.54        4.95]","b = [ -2.87        4.47       -2.79]; a =[1       -4.87         4.2       -2.54       -4.95]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 2.87<i>x<\/i>[n] - 4.47<i>x<\/i>[n-1] + 2.79<i>x<\/i>[n-2] - 4.87<i>y<\/i>[n-1] + 4.2<i>y<\/i>[n-2] - 2.54<i>y<\/i>[n-3] - 4.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.87<i>x<\/i>[n] + 4.47<i>x<\/i>[n-1] + 2.79<i>x<\/i>[n-2] + 4.87<i>y<\/i>[n-1] - 4.2<i>y<\/i>[n-2] + 2.54<i>y<\/i>[n-3] + 4.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.87<i>x<\/i>[n] - 4.47<i>x<\/i>[n-1] + 2.79<i>x<\/i>[n-2] + 4.87<i>y<\/i>[n-1] - 4.2<i>y<\/i>[n-2] + 2.54<i>y<\/i>[n-3] + 4.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.87<i>x<\/i>[n] + 4.47<i>x<\/i>[n-1] - 2.79<i>x<\/i>[n-2] - 4.87<i>y<\/i>[n-1] + 4.2<i>y<\/i>[n-2] - 2.54<i>y<\/i>[n-3] - 4.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.87<i>x<\/i>[n] + 4.47<i>x<\/i>[n-1] - 2.79<i>x<\/i>[n-2] + 4.87<i>y<\/i>[n-1] - 4.2<i>y<\/i>[n-2] + 2.54<i>y<\/i>[n-3] + 4.95<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -0.12       -3.32        3.32        1.51]; a =[1       -3.57       -4.46       -2.07       -3.32]","b = [ -0.12       -3.32        3.32       -1.51]; a =[1        3.57        4.46        2.07        3.32]","b = [ -0.12       -3.32        3.32        1.51]; a =[1        3.57        4.46        2.07        3.32]","b = [ 0.12        3.32       -3.32       -1.51]; a =[1       -3.57       -4.46       -2.07       -3.32]","b = [ 0.12        3.32       -3.32       -1.51]; a =[1        3.57        4.46        2.07        3.32]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -0.12<i>x<\/i>[n] - 3.32<i>x<\/i>[n-1] + 3.32<i>x<\/i>[n-2] + 1.51<i>x<\/i>[n-3] + 3.57<i>y<\/i>[n-1] + 4.46<i>y<\/i>[n-2] + 2.07<i>y<\/i>[n-3] + 3.32<i>y<\/i>[n-4]","<i>y<\/i>[n] = -0.12<i>x<\/i>[n] - 3.32<i>x<\/i>[n-1] + 3.32<i>x<\/i>[n-2] - 1.51<i>x<\/i>[n-3] - 3.57<i>y<\/i>[n-1] - 4.46<i>y<\/i>[n-2] - 2.07<i>y<\/i>[n-3] - 3.32<i>y<\/i>[n-4]","<i>y<\/i>[n] = -0.12<i>x<\/i>[n] - 3.32<i>x<\/i>[n-1] + 3.32<i>x<\/i>[n-2] + 1.51<i>x<\/i>[n-3] - 3.57<i>y<\/i>[n-1] - 4.46<i>y<\/i>[n-2] - 2.07<i>y<\/i>[n-3] - 3.32<i>y<\/i>[n-4]","<i>y<\/i>[n] = 0.12<i>x<\/i>[n] + 3.32<i>x<\/i>[n-1] - 3.32<i>x<\/i>[n-2] - 1.51<i>x<\/i>[n-3] + 3.57<i>y<\/i>[n-1] + 4.46<i>y<\/i>[n-2] + 2.07<i>y<\/i>[n-3] + 3.32<i>y<\/i>[n-4]","<i>y<\/i>[n] = 0.12<i>x<\/i>[n] + 3.32<i>x<\/i>[n-1] - 3.32<i>x<\/i>[n-2] - 1.51<i>x<\/i>[n-3] - 3.57<i>y<\/i>[n-1] - 4.46<i>y<\/i>[n-2] - 2.07<i>y<\/i>[n-3] - 3.32<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 1.63        2.11       -0.31         3.3]; a =[1        4.05        2.32        1.26        3.96]","b = [ 1.63        2.11        0.31         3.3]; a =[1       -4.05       -2.32       -1.26       -3.96]","b = [ 1.63        2.11       -0.31         3.3]; a =[1       -4.05       -2.32       -1.26       -3.96]","b = [ -1.63       -2.11        0.31        -3.3]; a =[1        4.05        2.32        1.26        3.96]","b = [ -1.63       -2.11        0.31        -3.3]; a =[1       -4.05       -2.32       -1.26       -3.96]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.63<i>x<\/i>[n] + 2.11<i>x<\/i>[n-1] - 0.31<i>x<\/i>[n-2] + 3.3<i>x<\/i>[n-3] - 4.05<i>y<\/i>[n-1] - 2.32<i>y<\/i>[n-2] - 1.26<i>y<\/i>[n-3] - 3.96<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.63<i>x<\/i>[n] + 2.11<i>x<\/i>[n-1] + 0.31<i>x<\/i>[n-2] + 3.3<i>x<\/i>[n-3] + 4.05<i>y<\/i>[n-1] + 2.32<i>y<\/i>[n-2] + 1.26<i>y<\/i>[n-3] + 3.96<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.63<i>x<\/i>[n] + 2.11<i>x<\/i>[n-1] - 0.31<i>x<\/i>[n-2] + 3.3<i>x<\/i>[n-3] + 4.05<i>y<\/i>[n-1] + 2.32<i>y<\/i>[n-2] + 1.26<i>y<\/i>[n-3] + 3.96<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.63<i>x<\/i>[n] - 2.11<i>x<\/i>[n-1] + 0.31<i>x<\/i>[n-2] - 3.3<i>x<\/i>[n-3] - 4.05<i>y<\/i>[n-1] - 2.32<i>y<\/i>[n-2] - 1.26<i>y<\/i>[n-3] - 3.96<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.63<i>x<\/i>[n] - 2.11<i>x<\/i>[n-1] + 0.31<i>x<\/i>[n-2] - 3.3<i>x<\/i>[n-3] + 4.05<i>y<\/i>[n-1] + 2.32<i>y<\/i>[n-2] + 1.26<i>y<\/i>[n-3] + 3.96<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 2.53       -1.91       -2.75]; a =[1        2.08        0.53       -1.64]","b = [ 2.53        1.91       -2.75]; a =[1       -2.08       -0.53        1.64]","b = [ 2.53       -1.91       -2.75]; a =[1       -2.08       -0.53        1.64]","b = [ -2.53        1.91        2.75]; a =[1        2.08        0.53       -1.64]","b = [ -2.53        1.91        2.75]; a =[1       -2.08       -0.53        1.64]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 2.53<i>x<\/i>[n] - 1.91<i>x<\/i>[n-1] - 2.75<i>x<\/i>[n-2] - 2.08<i>y<\/i>[n-1] - 0.53<i>y<\/i>[n-2] + 1.64<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.53<i>x<\/i>[n] + 1.91<i>x<\/i>[n-1] - 2.75<i>x<\/i>[n-2] + 2.08<i>y<\/i>[n-1] + 0.53<i>y<\/i>[n-2] - 1.64<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.53<i>x<\/i>[n] - 1.91<i>x<\/i>[n-1] - 2.75<i>x<\/i>[n-2] + 2.08<i>y<\/i>[n-1] + 0.53<i>y<\/i>[n-2] - 1.64<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.53<i>x<\/i>[n] + 1.91<i>x<\/i>[n-1] + 2.75<i>x<\/i>[n-2] - 2.08<i>y<\/i>[n-1] - 0.53<i>y<\/i>[n-2] + 1.64<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.53<i>x<\/i>[n] + 1.91<i>x<\/i>[n-1] + 2.75<i>x<\/i>[n-2] + 2.08<i>y<\/i>[n-1] + 0.53<i>y<\/i>[n-2] - 1.64<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -2.23       -4.58        4.92]; a =[1       -3.71        4.27       -3.66]","b = [ -2.23        4.58        4.92]; a =[1        3.71       -4.27        3.66]","b = [ -2.23       -4.58        4.92]; a =[1        3.71       -4.27        3.66]","b = [ 2.23        4.58       -4.92]; a =[1       -3.71        4.27       -3.66]","b = [ 2.23        4.58       -4.92]; a =[1        3.71       -4.27        3.66]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -2.23<i>x<\/i>[n] - 4.58<i>x<\/i>[n-1] + 4.92<i>x<\/i>[n-2] + 3.71<i>y<\/i>[n-1] - 4.27<i>y<\/i>[n-2] + 3.66<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.23<i>x<\/i>[n] + 4.58<i>x<\/i>[n-1] + 4.92<i>x<\/i>[n-2] - 3.71<i>y<\/i>[n-1] + 4.27<i>y<\/i>[n-2] - 3.66<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.23<i>x<\/i>[n] - 4.58<i>x<\/i>[n-1] + 4.92<i>x<\/i>[n-2] - 3.71<i>y<\/i>[n-1] + 4.27<i>y<\/i>[n-2] - 3.66<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.23<i>x<\/i>[n] + 4.58<i>x<\/i>[n-1] - 4.92<i>x<\/i>[n-2] + 3.71<i>y<\/i>[n-1] - 4.27<i>y<\/i>[n-2] + 3.66<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.23<i>x<\/i>[n] + 4.58<i>x<\/i>[n-1] - 4.92<i>x<\/i>[n-2] - 3.71<i>y<\/i>[n-1] + 4.27<i>y<\/i>[n-2] - 3.66<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -2.87        3.55]; a =[1         4.1       -0.81       -1.28]","b = [ -2.87       -3.55]; a =[1        -4.1        0.81        1.28]","b = [ -2.87        3.55]; a =[1        -4.1        0.81        1.28]","b = [ 2.87       -3.55]; a =[1         4.1       -0.81       -1.28]","b = [ 2.87       -3.55]; a =[1        -4.1        0.81        1.28]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -2.87<i>x<\/i>[n] + 3.55<i>x<\/i>[n-1] - 4.1<i>y<\/i>[n-1] + 0.81<i>y<\/i>[n-2] + 1.28<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.87<i>x<\/i>[n] - 3.55<i>x<\/i>[n-1] + 4.1<i>y<\/i>[n-1] - 0.81<i>y<\/i>[n-2] - 1.28<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.87<i>x<\/i>[n] + 3.55<i>x<\/i>[n-1] + 4.1<i>y<\/i>[n-1] - 0.81<i>y<\/i>[n-2] - 1.28<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.87<i>x<\/i>[n] - 3.55<i>x<\/i>[n-1] - 4.1<i>y<\/i>[n-1] + 0.81<i>y<\/i>[n-2] + 1.28<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.87<i>x<\/i>[n] - 3.55<i>x<\/i>[n-1] + 4.1<i>y<\/i>[n-1] - 0.81<i>y<\/i>[n-2] - 1.28<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 4.94        1.82       -4.58        4.45]; a =[1        1.15        1.43       -2.21]","b = [ -4.94        1.82       -4.58        4.45]; a =[1       -1.15       -1.43        2.21]","b = [ 4.94        1.82       -4.58        4.45]; a =[1       -1.15       -1.43        2.21]","b = [ -4.94       -1.82        4.58       -4.45]; a =[1        1.15        1.43       -2.21]","b = [ -4.94       -1.82        4.58       -4.45]; a =[1       -1.15       -1.43        2.21]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 4.94<i>x<\/i>[n] + 1.82<i>x<\/i>[n-1] - 4.58<i>x<\/i>[n-2] + 4.45<i>x<\/i>[n-3] - 1.15<i>y<\/i>[n-1] - 1.43<i>y<\/i>[n-2] + 2.21<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.94<i>x<\/i>[n] + 1.82<i>x<\/i>[n-1] - 4.58<i>x<\/i>[n-2] + 4.45<i>x<\/i>[n-3] + 1.15<i>y<\/i>[n-1] + 1.43<i>y<\/i>[n-2] - 2.21<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.94<i>x<\/i>[n] + 1.82<i>x<\/i>[n-1] - 4.58<i>x<\/i>[n-2] + 4.45<i>x<\/i>[n-3] + 1.15<i>y<\/i>[n-1] + 1.43<i>y<\/i>[n-2] - 2.21<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.94<i>x<\/i>[n] - 1.82<i>x<\/i>[n-1] + 4.58<i>x<\/i>[n-2] - 4.45<i>x<\/i>[n-3] - 1.15<i>y<\/i>[n-1] - 1.43<i>y<\/i>[n-2] + 2.21<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.94<i>x<\/i>[n] - 1.82<i>x<\/i>[n-1] + 4.58<i>x<\/i>[n-2] - 4.45<i>x<\/i>[n-3] + 1.15<i>y<\/i>[n-1] + 1.43<i>y<\/i>[n-2] - 2.21<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
},{			"name": "Match b and a system representation to its corresponding difference equation", 
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 0.71       -4.14        4.22]; a =[1       -4.94       -1.53]","b = [ 0.71        4.14        4.22]; a =[1        4.94        1.53]","b = [ 0.71       -4.14        4.22]; a =[1        4.94        1.53]","b = [ -0.71        4.14       -4.22]; a =[1       -4.94       -1.53]","b = [ -0.71        4.14       -4.22]; a =[1        4.94        1.53]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 0.71<i>x<\/i>[n] - 4.14<i>x<\/i>[n-1] + 4.22<i>x<\/i>[n-2] + 4.94<i>y<\/i>[n-1] + 1.53<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0.71<i>x<\/i>[n] + 4.14<i>x<\/i>[n-1] + 4.22<i>x<\/i>[n-2] - 4.94<i>y<\/i>[n-1] - 1.53<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0.71<i>x<\/i>[n] - 4.14<i>x<\/i>[n-1] + 4.22<i>x<\/i>[n-2] - 4.94<i>y<\/i>[n-1] - 1.53<i>y<\/i>[n-2]","<i>y<\/i>[n] = -0.71<i>x<\/i>[n] + 4.14<i>x<\/i>[n-1] - 4.22<i>x<\/i>[n-2] + 4.94<i>y<\/i>[n-1] + 1.53<i>y<\/i>[n-2]","<i>y<\/i>[n] = -0.71<i>x<\/i>[n] + 4.14<i>x<\/i>[n-1] - 4.22<i>x<\/i>[n-2] - 4.94<i>y<\/i>[n-1] - 1.53<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 0.35       -4.93]; a =[1       -3.95       -3.77       -2.75]","b = [ 0.35        4.93]; a =[1        3.95        3.77        2.75]","b = [ 0.35       -4.93]; a =[1        3.95        3.77        2.75]","b = [ -0.35        4.93]; a =[1       -3.95       -3.77       -2.75]","b = [ -0.35        4.93]; a =[1        3.95        3.77        2.75]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 0.35<i>x<\/i>[n] - 4.93<i>x<\/i>[n-1] + 3.95<i>y<\/i>[n-1] + 3.77<i>y<\/i>[n-2] + 2.75<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.35<i>x<\/i>[n] + 4.93<i>x<\/i>[n-1] - 3.95<i>y<\/i>[n-1] - 3.77<i>y<\/i>[n-2] - 2.75<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.35<i>x<\/i>[n] - 4.93<i>x<\/i>[n-1] - 3.95<i>y<\/i>[n-1] - 3.77<i>y<\/i>[n-2] - 2.75<i>y<\/i>[n-3]","<i>y<\/i>[n] = -0.35<i>x<\/i>[n] + 4.93<i>x<\/i>[n-1] + 3.95<i>y<\/i>[n-1] + 3.77<i>y<\/i>[n-2] + 2.75<i>y<\/i>[n-3]","<i>y<\/i>[n] = -0.35<i>x<\/i>[n] + 4.93<i>x<\/i>[n-1] - 3.95<i>y<\/i>[n-1] - 3.77<i>y<\/i>[n-2] - 2.75<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -3.26       -0.94]; a =[1        0.93        3.12]","b = [ -3.26        0.94]; a =[1       -0.93       -3.12]","b = [ -3.26       -0.94]; a =[1       -0.93       -3.12]","b = [ 3.26        0.94]; a =[1        0.93        3.12]","b = [ 3.26        0.94]; a =[1       -0.93       -3.12]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.26<i>x<\/i>[n] - 0.94<i>x<\/i>[n-1] - 0.93<i>y<\/i>[n-1] - 3.12<i>y<\/i>[n-2]","<i>y<\/i>[n] = -3.26<i>x<\/i>[n] + 0.94<i>x<\/i>[n-1] + 0.93<i>y<\/i>[n-1] + 3.12<i>y<\/i>[n-2]","<i>y<\/i>[n] = -3.26<i>x<\/i>[n] - 0.94<i>x<\/i>[n-1] + 0.93<i>y<\/i>[n-1] + 3.12<i>y<\/i>[n-2]","<i>y<\/i>[n] = 3.26<i>x<\/i>[n] + 0.94<i>x<\/i>[n-1] - 0.93<i>y<\/i>[n-1] - 3.12<i>y<\/i>[n-2]","<i>y<\/i>[n] = 3.26<i>x<\/i>[n] + 0.94<i>x<\/i>[n-1] + 0.93<i>y<\/i>[n-1] + 3.12<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -3.23       -1.41       -3.88       -1.29]; a =[1        0.87        2.84        0.51]","b = [ -3.23       -1.41       -3.88        1.29]; a =[1       -0.87       -2.84       -0.51]","b = [ -3.23       -1.41       -3.88       -1.29]; a =[1       -0.87       -2.84       -0.51]","b = [ 3.23        1.41        3.88        1.29]; a =[1        0.87        2.84        0.51]","b = [ 3.23        1.41        3.88        1.29]; a =[1       -0.87       -2.84       -0.51]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.23<i>x<\/i>[n] - 1.41<i>x<\/i>[n-1] - 3.88<i>x<\/i>[n-2] - 1.29<i>x<\/i>[n-3] - 0.87<i>y<\/i>[n-1] - 2.84<i>y<\/i>[n-2] - 0.51<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.23<i>x<\/i>[n] - 1.41<i>x<\/i>[n-1] - 3.88<i>x<\/i>[n-2] + 1.29<i>x<\/i>[n-3] + 0.87<i>y<\/i>[n-1] + 2.84<i>y<\/i>[n-2] + 0.51<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.23<i>x<\/i>[n] - 1.41<i>x<\/i>[n-1] - 3.88<i>x<\/i>[n-2] - 1.29<i>x<\/i>[n-3] + 0.87<i>y<\/i>[n-1] + 2.84<i>y<\/i>[n-2] + 0.51<i>y<\/i>[n-3]","<i>y<\/i>[n] = 3.23<i>x<\/i>[n] + 1.41<i>x<\/i>[n-1] + 3.88<i>x<\/i>[n-2] + 1.29<i>x<\/i>[n-3] - 0.87<i>y<\/i>[n-1] - 2.84<i>y<\/i>[n-2] - 0.51<i>y<\/i>[n-3]","<i>y<\/i>[n] = 3.23<i>x<\/i>[n] + 1.41<i>x<\/i>[n-1] + 3.88<i>x<\/i>[n-2] + 1.29<i>x<\/i>[n-3] + 0.87<i>y<\/i>[n-1] + 2.84<i>y<\/i>[n-2] + 0.51<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 2.62        0.65]; a =[1       -0.76       -1.64       -4.06        0.51]","b = [ -2.62        0.65]; a =[1        0.76        1.64        4.06       -0.51]","b = [ 2.62        0.65]; a =[1        0.76        1.64        4.06       -0.51]","b = [ -2.62       -0.65]; a =[1       -0.76       -1.64       -4.06        0.51]","b = [ -2.62       -0.65]; a =[1        0.76        1.64        4.06       -0.51]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 2.62<i>x<\/i>[n] + 0.65<i>x<\/i>[n-1] + 0.76<i>y<\/i>[n-1] + 1.64<i>y<\/i>[n-2] + 4.06<i>y<\/i>[n-3] - 0.51<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.62<i>x<\/i>[n] + 0.65<i>x<\/i>[n-1] - 0.76<i>y<\/i>[n-1] - 1.64<i>y<\/i>[n-2] - 4.06<i>y<\/i>[n-3] + 0.51<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.62<i>x<\/i>[n] + 0.65<i>x<\/i>[n-1] - 0.76<i>y<\/i>[n-1] - 1.64<i>y<\/i>[n-2] - 4.06<i>y<\/i>[n-3] + 0.51<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.62<i>x<\/i>[n] - 0.65<i>x<\/i>[n-1] + 0.76<i>y<\/i>[n-1] + 1.64<i>y<\/i>[n-2] + 4.06<i>y<\/i>[n-3] - 0.51<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.62<i>x<\/i>[n] - 0.65<i>x<\/i>[n-1] - 0.76<i>y<\/i>[n-1] - 1.64<i>y<\/i>[n-2] - 4.06<i>y<\/i>[n-3] + 0.51<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 2.8        4.81]; a =[1        0.84        3.08       -0.99        -1.8]","b = [ -2.8        4.81]; a =[1       -0.84       -3.08        0.99         1.8]","b = [ 2.8        4.81]; a =[1       -0.84       -3.08        0.99         1.8]","b = [ -2.8       -4.81]; a =[1        0.84        3.08       -0.99        -1.8]","b = [ -2.8       -4.81]; a =[1       -0.84       -3.08        0.99         1.8]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 2.8<i>x<\/i>[n] + 4.81<i>x<\/i>[n-1] - 0.84<i>y<\/i>[n-1] - 3.08<i>y<\/i>[n-2] + 0.99<i>y<\/i>[n-3] + 1.8<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.8<i>x<\/i>[n] + 4.81<i>x<\/i>[n-1] + 0.84<i>y<\/i>[n-1] + 3.08<i>y<\/i>[n-2] - 0.99<i>y<\/i>[n-3] - 1.8<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.8<i>x<\/i>[n] + 4.81<i>x<\/i>[n-1] + 0.84<i>y<\/i>[n-1] + 3.08<i>y<\/i>[n-2] - 0.99<i>y<\/i>[n-3] - 1.8<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.8<i>x<\/i>[n] - 4.81<i>x<\/i>[n-1] - 0.84<i>y<\/i>[n-1] - 3.08<i>y<\/i>[n-2] + 0.99<i>y<\/i>[n-3] + 1.8<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.8<i>x<\/i>[n] - 4.81<i>x<\/i>[n-1] + 0.84<i>y<\/i>[n-1] + 3.08<i>y<\/i>[n-2] - 0.99<i>y<\/i>[n-3] - 1.8<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 1.94        2.82       -3.81       -2.11]; a =[1       -0.32       -0.22       -0.71        2.62]","b = [ 1.94        2.82       -3.81        2.11]; a =[1        0.32        0.22        0.71       -2.62]","b = [ 1.94        2.82       -3.81       -2.11]; a =[1        0.32        0.22        0.71       -2.62]","b = [ -1.94       -2.82        3.81        2.11]; a =[1       -0.32       -0.22       -0.71        2.62]","b = [ -1.94       -2.82        3.81        2.11]; a =[1        0.32        0.22        0.71       -2.62]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.94<i>x<\/i>[n] + 2.82<i>x<\/i>[n-1] - 3.81<i>x<\/i>[n-2] - 2.11<i>x<\/i>[n-3] + 0.32<i>y<\/i>[n-1] + 0.22<i>y<\/i>[n-2] + 0.71<i>y<\/i>[n-3] - 2.62<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.94<i>x<\/i>[n] + 2.82<i>x<\/i>[n-1] - 3.81<i>x<\/i>[n-2] + 2.11<i>x<\/i>[n-3] - 0.32<i>y<\/i>[n-1] - 0.22<i>y<\/i>[n-2] - 0.71<i>y<\/i>[n-3] + 2.62<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.94<i>x<\/i>[n] + 2.82<i>x<\/i>[n-1] - 3.81<i>x<\/i>[n-2] - 2.11<i>x<\/i>[n-3] - 0.32<i>y<\/i>[n-1] - 0.22<i>y<\/i>[n-2] - 0.71<i>y<\/i>[n-3] + 2.62<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.94<i>x<\/i>[n] - 2.82<i>x<\/i>[n-1] + 3.81<i>x<\/i>[n-2] + 2.11<i>x<\/i>[n-3] + 0.32<i>y<\/i>[n-1] + 0.22<i>y<\/i>[n-2] + 0.71<i>y<\/i>[n-3] - 2.62<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.94<i>x<\/i>[n] - 2.82<i>x<\/i>[n-1] + 3.81<i>x<\/i>[n-2] + 2.11<i>x<\/i>[n-3] - 0.32<i>y<\/i>[n-1] - 0.22<i>y<\/i>[n-2] - 0.71<i>y<\/i>[n-3] + 2.62<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -3.68        3.99       -0.87        1.84]; a =[1         0.2        2.94        -4.6       -3.95]","b = [ -3.68        3.99       -0.87       -1.84]; a =[1        -0.2       -2.94         4.6        3.95]","b = [ -3.68        3.99       -0.87        1.84]; a =[1        -0.2       -2.94         4.6        3.95]","b = [ 3.68       -3.99        0.87       -1.84]; a =[1         0.2        2.94        -4.6       -3.95]","b = [ 3.68       -3.99        0.87       -1.84]; a =[1        -0.2       -2.94         4.6        3.95]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.68<i>x<\/i>[n] + 3.99<i>x<\/i>[n-1] - 0.87<i>x<\/i>[n-2] + 1.84<i>x<\/i>[n-3] - 0.2<i>y<\/i>[n-1] - 2.94<i>y<\/i>[n-2] + 4.6<i>y<\/i>[n-3] + 3.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = -3.68<i>x<\/i>[n] + 3.99<i>x<\/i>[n-1] - 0.87<i>x<\/i>[n-2] - 1.84<i>x<\/i>[n-3] + 0.2<i>y<\/i>[n-1] + 2.94<i>y<\/i>[n-2] - 4.6<i>y<\/i>[n-3] - 3.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = -3.68<i>x<\/i>[n] + 3.99<i>x<\/i>[n-1] - 0.87<i>x<\/i>[n-2] + 1.84<i>x<\/i>[n-3] + 0.2<i>y<\/i>[n-1] + 2.94<i>y<\/i>[n-2] - 4.6<i>y<\/i>[n-3] - 3.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = 3.68<i>x<\/i>[n] - 3.99<i>x<\/i>[n-1] + 0.87<i>x<\/i>[n-2] - 1.84<i>x<\/i>[n-3] - 0.2<i>y<\/i>[n-1] - 2.94<i>y<\/i>[n-2] + 4.6<i>y<\/i>[n-3] + 3.95<i>y<\/i>[n-4]","<i>y<\/i>[n] = 3.68<i>x<\/i>[n] - 3.99<i>x<\/i>[n-1] + 0.87<i>x<\/i>[n-2] - 1.84<i>x<\/i>[n-3] + 0.2<i>y<\/i>[n-1] + 2.94<i>y<\/i>[n-2] - 4.6<i>y<\/i>[n-3] - 3.95<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -3.62       -1.11       -1.35        3.49]; a =[1       -2.65        1.52         2.3]","b = [ -3.62        1.11       -1.35        3.49]; a =[1        2.65       -1.52        -2.3]","b = [ -3.62       -1.11       -1.35        3.49]; a =[1        2.65       -1.52        -2.3]","b = [ 3.62        1.11        1.35       -3.49]; a =[1       -2.65        1.52         2.3]","b = [ 3.62        1.11        1.35       -3.49]; a =[1        2.65       -1.52        -2.3]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.62<i>x<\/i>[n] - 1.11<i>x<\/i>[n-1] - 1.35<i>x<\/i>[n-2] + 3.49<i>x<\/i>[n-3] + 2.65<i>y<\/i>[n-1] - 1.52<i>y<\/i>[n-2] - 2.3<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.62<i>x<\/i>[n] + 1.11<i>x<\/i>[n-1] - 1.35<i>x<\/i>[n-2] + 3.49<i>x<\/i>[n-3] - 2.65<i>y<\/i>[n-1] + 1.52<i>y<\/i>[n-2] + 2.3<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.62<i>x<\/i>[n] - 1.11<i>x<\/i>[n-1] - 1.35<i>x<\/i>[n-2] + 3.49<i>x<\/i>[n-3] - 2.65<i>y<\/i>[n-1] + 1.52<i>y<\/i>[n-2] + 2.3<i>y<\/i>[n-3]","<i>y<\/i>[n] = 3.62<i>x<\/i>[n] + 1.11<i>x<\/i>[n-1] + 1.35<i>x<\/i>[n-2] - 3.49<i>x<\/i>[n-3] + 2.65<i>y<\/i>[n-1] - 1.52<i>y<\/i>[n-2] - 2.3<i>y<\/i>[n-3]","<i>y<\/i>[n] = 3.62<i>x<\/i>[n] + 1.11<i>x<\/i>[n-1] + 1.35<i>x<\/i>[n-2] - 3.49<i>x<\/i>[n-3] - 2.65<i>y<\/i>[n-1] + 1.52<i>y<\/i>[n-2] + 2.3<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -4.03        0.14        4.23]; a =[1        2.26        3.64       -0.14]","b = [ -4.03        0.14       -4.23]; a =[1       -2.26       -3.64        0.14]","b = [ -4.03        0.14        4.23]; a =[1       -2.26       -3.64        0.14]","b = [ 4.03       -0.14       -4.23]; a =[1        2.26        3.64       -0.14]","b = [ 4.03       -0.14       -4.23]; a =[1       -2.26       -3.64        0.14]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -4.03<i>x<\/i>[n] + 0.14<i>x<\/i>[n-1] + 4.23<i>x<\/i>[n-2] - 2.26<i>y<\/i>[n-1] - 3.64<i>y<\/i>[n-2] + 0.14<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.03<i>x<\/i>[n] + 0.14<i>x<\/i>[n-1] - 4.23<i>x<\/i>[n-2] + 2.26<i>y<\/i>[n-1] + 3.64<i>y<\/i>[n-2] - 0.14<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.03<i>x<\/i>[n] + 0.14<i>x<\/i>[n-1] + 4.23<i>x<\/i>[n-2] + 2.26<i>y<\/i>[n-1] + 3.64<i>y<\/i>[n-2] - 0.14<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.03<i>x<\/i>[n] - 0.14<i>x<\/i>[n-1] - 4.23<i>x<\/i>[n-2] - 2.26<i>y<\/i>[n-1] - 3.64<i>y<\/i>[n-2] + 0.14<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.03<i>x<\/i>[n] - 0.14<i>x<\/i>[n-1] - 4.23<i>x<\/i>[n-2] + 2.26<i>y<\/i>[n-1] + 3.64<i>y<\/i>[n-2] - 0.14<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -0.38        0.51]; a =[1       -3.21       -0.82       -2.24]","b = [ 0.38        0.51]; a =[1        3.21        0.82        2.24]","b = [ -0.38        0.51]; a =[1        3.21        0.82        2.24]","b = [ 0.38       -0.51]; a =[1       -3.21       -0.82       -2.24]","b = [ 0.38       -0.51]; a =[1        3.21        0.82        2.24]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -0.38<i>x<\/i>[n] + 0.51<i>x<\/i>[n-1] + 3.21<i>y<\/i>[n-1] + 0.82<i>y<\/i>[n-2] + 2.24<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.38<i>x<\/i>[n] + 0.51<i>x<\/i>[n-1] - 3.21<i>y<\/i>[n-1] - 0.82<i>y<\/i>[n-2] - 2.24<i>y<\/i>[n-3]","<i>y<\/i>[n] = -0.38<i>x<\/i>[n] + 0.51<i>x<\/i>[n-1] - 3.21<i>y<\/i>[n-1] - 0.82<i>y<\/i>[n-2] - 2.24<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.38<i>x<\/i>[n] - 0.51<i>x<\/i>[n-1] + 3.21<i>y<\/i>[n-1] + 0.82<i>y<\/i>[n-2] + 2.24<i>y<\/i>[n-3]","<i>y<\/i>[n] = 0.38<i>x<\/i>[n] - 0.51<i>x<\/i>[n-1] - 3.21<i>y<\/i>[n-1] - 0.82<i>y<\/i>[n-2] - 2.24<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -4.49        4.62]; a =[1        0.42        2.14        2.78        2.39]","b = [ 4.49        4.62]; a =[1       -0.42       -2.14       -2.78       -2.39]","b = [ -4.49        4.62]; a =[1       -0.42       -2.14       -2.78       -2.39]","b = [ 4.49       -4.62]; a =[1        0.42        2.14        2.78        2.39]","b = [ 4.49       -4.62]; a =[1       -0.42       -2.14       -2.78       -2.39]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -4.49<i>x<\/i>[n] + 4.62<i>x<\/i>[n-1] - 0.42<i>y<\/i>[n-1] - 2.14<i>y<\/i>[n-2] - 2.78<i>y<\/i>[n-3] - 2.39<i>y<\/i>[n-4]","<i>y<\/i>[n] = 4.49<i>x<\/i>[n] + 4.62<i>x<\/i>[n-1] + 0.42<i>y<\/i>[n-1] + 2.14<i>y<\/i>[n-2] + 2.78<i>y<\/i>[n-3] + 2.39<i>y<\/i>[n-4]","<i>y<\/i>[n] = -4.49<i>x<\/i>[n] + 4.62<i>x<\/i>[n-1] + 0.42<i>y<\/i>[n-1] + 2.14<i>y<\/i>[n-2] + 2.78<i>y<\/i>[n-3] + 2.39<i>y<\/i>[n-4]","<i>y<\/i>[n] = 4.49<i>x<\/i>[n] - 4.62<i>x<\/i>[n-1] - 0.42<i>y<\/i>[n-1] - 2.14<i>y<\/i>[n-2] - 2.78<i>y<\/i>[n-3] - 2.39<i>y<\/i>[n-4]","<i>y<\/i>[n] = 4.49<i>x<\/i>[n] - 4.62<i>x<\/i>[n-1] + 0.42<i>y<\/i>[n-1] + 2.14<i>y<\/i>[n-2] + 2.78<i>y<\/i>[n-3] + 2.39<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 1.93       -4.32]; a =[1         1.2        4.04]","b = [ 1.93        4.32]; a =[1        -1.2       -4.04]","b = [ 1.93       -4.32]; a =[1        -1.2       -4.04]","b = [ -1.93        4.32]; a =[1         1.2        4.04]","b = [ -1.93        4.32]; a =[1        -1.2       -4.04]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.93<i>x<\/i>[n] - 4.32<i>x<\/i>[n-1] - 1.2<i>y<\/i>[n-1] - 4.04<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.93<i>x<\/i>[n] + 4.32<i>x<\/i>[n-1] + 1.2<i>y<\/i>[n-1] + 4.04<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.93<i>x<\/i>[n] - 4.32<i>x<\/i>[n-1] + 1.2<i>y<\/i>[n-1] + 4.04<i>y<\/i>[n-2]","<i>y<\/i>[n] = -1.93<i>x<\/i>[n] + 4.32<i>x<\/i>[n-1] - 1.2<i>y<\/i>[n-1] - 4.04<i>y<\/i>[n-2]","<i>y<\/i>[n] = -1.93<i>x<\/i>[n] + 4.32<i>x<\/i>[n-1] + 1.2<i>y<\/i>[n-1] + 4.04<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -4.26        0.05]; a =[1        2.67       -0.43       -3.44]","b = [ -4.26       -0.05]; a =[1       -2.67        0.43        3.44]","b = [ -4.26        0.05]; a =[1       -2.67        0.43        3.44]","b = [ 4.26       -0.05]; a =[1        2.67       -0.43       -3.44]","b = [ 4.26       -0.05]; a =[1       -2.67        0.43        3.44]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -4.26<i>x<\/i>[n] + 0.05<i>x<\/i>[n-1] - 2.67<i>y<\/i>[n-1] + 0.43<i>y<\/i>[n-2] + 3.44<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.26<i>x<\/i>[n] - 0.05<i>x<\/i>[n-1] + 2.67<i>y<\/i>[n-1] - 0.43<i>y<\/i>[n-2] - 3.44<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.26<i>x<\/i>[n] + 0.05<i>x<\/i>[n-1] + 2.67<i>y<\/i>[n-1] - 0.43<i>y<\/i>[n-2] - 3.44<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.26<i>x<\/i>[n] - 0.05<i>x<\/i>[n-1] - 2.67<i>y<\/i>[n-1] + 0.43<i>y<\/i>[n-2] + 3.44<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.26<i>x<\/i>[n] - 0.05<i>x<\/i>[n-1] + 2.67<i>y<\/i>[n-1] - 0.43<i>y<\/i>[n-2] - 3.44<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 2.57       -0.58]; a =[1        4.61       -4.46       -4.36       -0.98]","b = [ -2.57       -0.58]; a =[1       -4.61        4.46        4.36        0.98]","b = [ 2.57       -0.58]; a =[1       -4.61        4.46        4.36        0.98]","b = [ -2.57        0.58]; a =[1        4.61       -4.46       -4.36       -0.98]","b = [ -2.57        0.58]; a =[1       -4.61        4.46        4.36        0.98]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 2.57<i>x<\/i>[n] - 0.58<i>x<\/i>[n-1] - 4.61<i>y<\/i>[n-1] + 4.46<i>y<\/i>[n-2] + 4.36<i>y<\/i>[n-3] + 0.98<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.57<i>x<\/i>[n] - 0.58<i>x<\/i>[n-1] + 4.61<i>y<\/i>[n-1] - 4.46<i>y<\/i>[n-2] - 4.36<i>y<\/i>[n-3] - 0.98<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.57<i>x<\/i>[n] - 0.58<i>x<\/i>[n-1] + 4.61<i>y<\/i>[n-1] - 4.46<i>y<\/i>[n-2] - 4.36<i>y<\/i>[n-3] - 0.98<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.57<i>x<\/i>[n] + 0.58<i>x<\/i>[n-1] - 4.61<i>y<\/i>[n-1] + 4.46<i>y<\/i>[n-2] + 4.36<i>y<\/i>[n-3] + 0.98<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.57<i>x<\/i>[n] + 0.58<i>x<\/i>[n-1] + 4.61<i>y<\/i>[n-1] - 4.46<i>y<\/i>[n-2] - 4.36<i>y<\/i>[n-3] - 0.98<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 1.61       -1.79       -2.92]; a =[1       -2.35       -2.54        3.22        1.36]","b = [ 1.61        1.79       -2.92]; a =[1        2.35        2.54       -3.22       -1.36]","b = [ 1.61       -1.79       -2.92]; a =[1        2.35        2.54       -3.22       -1.36]","b = [ -1.61        1.79        2.92]; a =[1       -2.35       -2.54        3.22        1.36]","b = [ -1.61        1.79        2.92]; a =[1        2.35        2.54       -3.22       -1.36]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.61<i>x<\/i>[n] - 1.79<i>x<\/i>[n-1] - 2.92<i>x<\/i>[n-2] + 2.35<i>y<\/i>[n-1] + 2.54<i>y<\/i>[n-2] - 3.22<i>y<\/i>[n-3] - 1.36<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.61<i>x<\/i>[n] + 1.79<i>x<\/i>[n-1] - 2.92<i>x<\/i>[n-2] - 2.35<i>y<\/i>[n-1] - 2.54<i>y<\/i>[n-2] + 3.22<i>y<\/i>[n-3] + 1.36<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.61<i>x<\/i>[n] - 1.79<i>x<\/i>[n-1] - 2.92<i>x<\/i>[n-2] - 2.35<i>y<\/i>[n-1] - 2.54<i>y<\/i>[n-2] + 3.22<i>y<\/i>[n-3] + 1.36<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.61<i>x<\/i>[n] + 1.79<i>x<\/i>[n-1] + 2.92<i>x<\/i>[n-2] + 2.35<i>y<\/i>[n-1] + 2.54<i>y<\/i>[n-2] - 3.22<i>y<\/i>[n-3] - 1.36<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.61<i>x<\/i>[n] + 1.79<i>x<\/i>[n-1] + 2.92<i>x<\/i>[n-2] - 2.35<i>y<\/i>[n-1] - 2.54<i>y<\/i>[n-2] + 3.22<i>y<\/i>[n-3] + 1.36<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 1.28        4.36       -4.69]; a =[1        0.54         4.3        2.01        1.14]","b = [ 1.28        4.36        4.69]; a =[1       -0.54        -4.3       -2.01       -1.14]","b = [ 1.28        4.36       -4.69]; a =[1       -0.54        -4.3       -2.01       -1.14]","b = [ -1.28       -4.36        4.69]; a =[1        0.54         4.3        2.01        1.14]","b = [ -1.28       -4.36        4.69]; a =[1       -0.54        -4.3       -2.01       -1.14]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.28<i>x<\/i>[n] + 4.36<i>x<\/i>[n-1] - 4.69<i>x<\/i>[n-2] - 0.54<i>y<\/i>[n-1] - 4.3<i>y<\/i>[n-2] - 2.01<i>y<\/i>[n-3] - 1.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.28<i>x<\/i>[n] + 4.36<i>x<\/i>[n-1] + 4.69<i>x<\/i>[n-2] + 0.54<i>y<\/i>[n-1] + 4.3<i>y<\/i>[n-2] + 2.01<i>y<\/i>[n-3] + 1.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = 1.28<i>x<\/i>[n] + 4.36<i>x<\/i>[n-1] - 4.69<i>x<\/i>[n-2] + 0.54<i>y<\/i>[n-1] + 4.3<i>y<\/i>[n-2] + 2.01<i>y<\/i>[n-3] + 1.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.28<i>x<\/i>[n] - 4.36<i>x<\/i>[n-1] + 4.69<i>x<\/i>[n-2] - 0.54<i>y<\/i>[n-1] - 4.3<i>y<\/i>[n-2] - 2.01<i>y<\/i>[n-3] - 1.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = -1.28<i>x<\/i>[n] - 4.36<i>x<\/i>[n-1] + 4.69<i>x<\/i>[n-2] + 0.54<i>y<\/i>[n-1] + 4.3<i>y<\/i>[n-2] + 2.01<i>y<\/i>[n-3] + 1.14<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -0.7        4.41       -3.25]; a =[1       -0.87       -3.26         3.8        3.22]","b = [ -0.7       -4.41       -3.25]; a =[1        0.87        3.26        -3.8       -3.22]","b = [ -0.7        4.41       -3.25]; a =[1        0.87        3.26        -3.8       -3.22]","b = [ 0.7       -4.41        3.25]; a =[1       -0.87       -3.26         3.8        3.22]","b = [ 0.7       -4.41        3.25]; a =[1        0.87        3.26        -3.8       -3.22]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -0.7<i>x<\/i>[n] + 4.41<i>x<\/i>[n-1] - 3.25<i>x<\/i>[n-2] + 0.87<i>y<\/i>[n-1] + 3.26<i>y<\/i>[n-2] - 3.8<i>y<\/i>[n-3] - 3.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = -0.7<i>x<\/i>[n] - 4.41<i>x<\/i>[n-1] - 3.25<i>x<\/i>[n-2] - 0.87<i>y<\/i>[n-1] - 3.26<i>y<\/i>[n-2] + 3.8<i>y<\/i>[n-3] + 3.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = -0.7<i>x<\/i>[n] + 4.41<i>x<\/i>[n-1] - 3.25<i>x<\/i>[n-2] - 0.87<i>y<\/i>[n-1] - 3.26<i>y<\/i>[n-2] + 3.8<i>y<\/i>[n-3] + 3.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = 0.7<i>x<\/i>[n] - 4.41<i>x<\/i>[n-1] + 3.25<i>x<\/i>[n-2] + 0.87<i>y<\/i>[n-1] + 3.26<i>y<\/i>[n-2] - 3.8<i>y<\/i>[n-3] - 3.22<i>y<\/i>[n-4]","<i>y<\/i>[n] = 0.7<i>x<\/i>[n] - 4.41<i>x<\/i>[n-1] + 3.25<i>x<\/i>[n-2] - 0.87<i>y<\/i>[n-1] - 3.26<i>y<\/i>[n-2] + 3.8<i>y<\/i>[n-3] + 3.22<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 3.49        2.83]; a =[1        2.84       -1.13       -3.18]","b = [ -3.49        2.83]; a =[1       -2.84        1.13        3.18]","b = [ 3.49        2.83]; a =[1       -2.84        1.13        3.18]","b = [ -3.49       -2.83]; a =[1        2.84       -1.13       -3.18]","b = [ -3.49       -2.83]; a =[1       -2.84        1.13        3.18]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 3.49<i>x<\/i>[n] + 2.83<i>x<\/i>[n-1] - 2.84<i>y<\/i>[n-1] + 1.13<i>y<\/i>[n-2] + 3.18<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.49<i>x<\/i>[n] + 2.83<i>x<\/i>[n-1] + 2.84<i>y<\/i>[n-1] - 1.13<i>y<\/i>[n-2] - 3.18<i>y<\/i>[n-3]","<i>y<\/i>[n] = 3.49<i>x<\/i>[n] + 2.83<i>x<\/i>[n-1] + 2.84<i>y<\/i>[n-1] - 1.13<i>y<\/i>[n-2] - 3.18<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.49<i>x<\/i>[n] - 2.83<i>x<\/i>[n-1] - 2.84<i>y<\/i>[n-1] + 1.13<i>y<\/i>[n-2] + 3.18<i>y<\/i>[n-3]","<i>y<\/i>[n] = -3.49<i>x<\/i>[n] - 2.83<i>x<\/i>[n-1] + 2.84<i>y<\/i>[n-1] - 1.13<i>y<\/i>[n-2] - 3.18<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -4.66       -3.14        3.45]; a =[1       -1.41        0.25]","b = [ -4.66       -3.14       -3.45]; a =[1        1.41       -0.25]","b = [ -4.66       -3.14        3.45]; a =[1        1.41       -0.25]","b = [ 4.66        3.14       -3.45]; a =[1       -1.41        0.25]","b = [ 4.66        3.14       -3.45]; a =[1        1.41       -0.25]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -4.66<i>x<\/i>[n] - 3.14<i>x<\/i>[n-1] + 3.45<i>x<\/i>[n-2] + 1.41<i>y<\/i>[n-1] - 0.25<i>y<\/i>[n-2]","<i>y<\/i>[n] = -4.66<i>x<\/i>[n] - 3.14<i>x<\/i>[n-1] - 3.45<i>x<\/i>[n-2] - 1.41<i>y<\/i>[n-1] + 0.25<i>y<\/i>[n-2]","<i>y<\/i>[n] = -4.66<i>x<\/i>[n] - 3.14<i>x<\/i>[n-1] + 3.45<i>x<\/i>[n-2] - 1.41<i>y<\/i>[n-1] + 0.25<i>y<\/i>[n-2]","<i>y<\/i>[n] = 4.66<i>x<\/i>[n] + 3.14<i>x<\/i>[n-1] - 3.45<i>x<\/i>[n-2] + 1.41<i>y<\/i>[n-1] - 0.25<i>y<\/i>[n-2]","<i>y<\/i>[n] = 4.66<i>x<\/i>[n] + 3.14<i>x<\/i>[n-1] - 3.45<i>x<\/i>[n-2] - 1.41<i>y<\/i>[n-1] + 0.25<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -2.09        2.72]; a =[1       -3.28       -0.48]","b = [ 2.09        2.72]; a =[1        3.28        0.48]","b = [ -2.09        2.72]; a =[1        3.28        0.48]","b = [ 2.09       -2.72]; a =[1       -3.28       -0.48]","b = [ 2.09       -2.72]; a =[1        3.28        0.48]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -2.09<i>x<\/i>[n] + 2.72<i>x<\/i>[n-1] + 3.28<i>y<\/i>[n-1] + 0.48<i>y<\/i>[n-2]","<i>y<\/i>[n] = 2.09<i>x<\/i>[n] + 2.72<i>x<\/i>[n-1] - 3.28<i>y<\/i>[n-1] - 0.48<i>y<\/i>[n-2]","<i>y<\/i>[n] = -2.09<i>x<\/i>[n] + 2.72<i>x<\/i>[n-1] - 3.28<i>y<\/i>[n-1] - 0.48<i>y<\/i>[n-2]","<i>y<\/i>[n] = 2.09<i>x<\/i>[n] - 2.72<i>x<\/i>[n-1] + 3.28<i>y<\/i>[n-1] + 0.48<i>y<\/i>[n-2]","<i>y<\/i>[n] = 2.09<i>x<\/i>[n] - 2.72<i>x<\/i>[n-1] - 3.28<i>y<\/i>[n-1] - 0.48<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 2.39        1.85       -2.36]; a =[1       -4.93       -2.52        2.01       -0.79]","b = [ 2.39       -1.85       -2.36]; a =[1        4.93        2.52       -2.01        0.79]","b = [ 2.39        1.85       -2.36]; a =[1        4.93        2.52       -2.01        0.79]","b = [ -2.39       -1.85        2.36]; a =[1       -4.93       -2.52        2.01       -0.79]","b = [ -2.39       -1.85        2.36]; a =[1        4.93        2.52       -2.01        0.79]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 2.39<i>x<\/i>[n] + 1.85<i>x<\/i>[n-1] - 2.36<i>x<\/i>[n-2] + 4.93<i>y<\/i>[n-1] + 2.52<i>y<\/i>[n-2] - 2.01<i>y<\/i>[n-3] + 0.79<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.39<i>x<\/i>[n] - 1.85<i>x<\/i>[n-1] - 2.36<i>x<\/i>[n-2] - 4.93<i>y<\/i>[n-1] - 2.52<i>y<\/i>[n-2] + 2.01<i>y<\/i>[n-3] - 0.79<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.39<i>x<\/i>[n] + 1.85<i>x<\/i>[n-1] - 2.36<i>x<\/i>[n-2] - 4.93<i>y<\/i>[n-1] - 2.52<i>y<\/i>[n-2] + 2.01<i>y<\/i>[n-3] - 0.79<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.39<i>x<\/i>[n] - 1.85<i>x<\/i>[n-1] + 2.36<i>x<\/i>[n-2] + 4.93<i>y<\/i>[n-1] + 2.52<i>y<\/i>[n-2] - 2.01<i>y<\/i>[n-3] + 0.79<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.39<i>x<\/i>[n] - 1.85<i>x<\/i>[n-1] + 2.36<i>x<\/i>[n-2] - 4.93<i>y<\/i>[n-1] - 2.52<i>y<\/i>[n-2] + 2.01<i>y<\/i>[n-3] - 0.79<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -1.08         0.8        4.71]; a =[1       -3.79       -3.47]","b = [ -1.08         0.8       -4.71]; a =[1        3.79        3.47]","b = [ -1.08         0.8        4.71]; a =[1        3.79        3.47]","b = [ 1.08        -0.8       -4.71]; a =[1       -3.79       -3.47]","b = [ 1.08        -0.8       -4.71]; a =[1        3.79        3.47]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -1.08<i>x<\/i>[n] + 0.8<i>x<\/i>[n-1] + 4.71<i>x<\/i>[n-2] + 3.79<i>y<\/i>[n-1] + 3.47<i>y<\/i>[n-2]","<i>y<\/i>[n] = -1.08<i>x<\/i>[n] + 0.8<i>x<\/i>[n-1] - 4.71<i>x<\/i>[n-2] - 3.79<i>y<\/i>[n-1] - 3.47<i>y<\/i>[n-2]","<i>y<\/i>[n] = -1.08<i>x<\/i>[n] + 0.8<i>x<\/i>[n-1] + 4.71<i>x<\/i>[n-2] - 3.79<i>y<\/i>[n-1] - 3.47<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.08<i>x<\/i>[n] - 0.8<i>x<\/i>[n-1] - 4.71<i>x<\/i>[n-2] + 3.79<i>y<\/i>[n-1] + 3.47<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.08<i>x<\/i>[n] - 0.8<i>x<\/i>[n-1] - 4.71<i>x<\/i>[n-2] - 3.79<i>y<\/i>[n-1] - 3.47<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -2.3       -0.08]; a =[1       -4.33       -1.86        4.84]","b = [ -2.3        0.08]; a =[1        4.33        1.86       -4.84]","b = [ -2.3       -0.08]; a =[1        4.33        1.86       -4.84]","b = [ 2.3        0.08]; a =[1       -4.33       -1.86        4.84]","b = [ 2.3        0.08]; a =[1        4.33        1.86       -4.84]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -2.3<i>x<\/i>[n] - 0.08<i>x<\/i>[n-1] + 4.33<i>y<\/i>[n-1] + 1.86<i>y<\/i>[n-2] - 4.84<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.3<i>x<\/i>[n] + 0.08<i>x<\/i>[n-1] - 4.33<i>y<\/i>[n-1] - 1.86<i>y<\/i>[n-2] + 4.84<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.3<i>x<\/i>[n] - 0.08<i>x<\/i>[n-1] - 4.33<i>y<\/i>[n-1] - 1.86<i>y<\/i>[n-2] + 4.84<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.3<i>x<\/i>[n] + 0.08<i>x<\/i>[n-1] + 4.33<i>y<\/i>[n-1] + 1.86<i>y<\/i>[n-2] - 4.84<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.3<i>x<\/i>[n] + 0.08<i>x<\/i>[n-1] - 4.33<i>y<\/i>[n-1] - 1.86<i>y<\/i>[n-2] + 4.84<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -3.37        2.18        1.94]; a =[1        3.06       -3.59]","b = [ -3.37       -2.18        1.94]; a =[1       -3.06        3.59]","b = [ -3.37        2.18        1.94]; a =[1       -3.06        3.59]","b = [ 3.37       -2.18       -1.94]; a =[1        3.06       -3.59]","b = [ 3.37       -2.18       -1.94]; a =[1       -3.06        3.59]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.37<i>x<\/i>[n] + 2.18<i>x<\/i>[n-1] + 1.94<i>x<\/i>[n-2] - 3.06<i>y<\/i>[n-1] + 3.59<i>y<\/i>[n-2]","<i>y<\/i>[n] = -3.37<i>x<\/i>[n] - 2.18<i>x<\/i>[n-1] + 1.94<i>x<\/i>[n-2] + 3.06<i>y<\/i>[n-1] - 3.59<i>y<\/i>[n-2]","<i>y<\/i>[n] = -3.37<i>x<\/i>[n] + 2.18<i>x<\/i>[n-1] + 1.94<i>x<\/i>[n-2] + 3.06<i>y<\/i>[n-1] - 3.59<i>y<\/i>[n-2]","<i>y<\/i>[n] = 3.37<i>x<\/i>[n] - 2.18<i>x<\/i>[n-1] - 1.94<i>x<\/i>[n-2] - 3.06<i>y<\/i>[n-1] + 3.59<i>y<\/i>[n-2]","<i>y<\/i>[n] = 3.37<i>x<\/i>[n] - 2.18<i>x<\/i>[n-1] - 1.94<i>x<\/i>[n-2] + 3.06<i>y<\/i>[n-1] - 3.59<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 1.37        0.95]; a =[1       -2.22       -2.92        0.45]","b = [ 1.37       -0.95]; a =[1        2.22        2.92       -0.45]","b = [ 1.37        0.95]; a =[1        2.22        2.92       -0.45]","b = [ -1.37       -0.95]; a =[1       -2.22       -2.92        0.45]","b = [ -1.37       -0.95]; a =[1        2.22        2.92       -0.45]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.37<i>x<\/i>[n] + 0.95<i>x<\/i>[n-1] + 2.22<i>y<\/i>[n-1] + 2.92<i>y<\/i>[n-2] - 0.45<i>y<\/i>[n-3]","<i>y<\/i>[n] = 1.37<i>x<\/i>[n] - 0.95<i>x<\/i>[n-1] - 2.22<i>y<\/i>[n-1] - 2.92<i>y<\/i>[n-2] + 0.45<i>y<\/i>[n-3]","<i>y<\/i>[n] = 1.37<i>x<\/i>[n] + 0.95<i>x<\/i>[n-1] - 2.22<i>y<\/i>[n-1] - 2.92<i>y<\/i>[n-2] + 0.45<i>y<\/i>[n-3]","<i>y<\/i>[n] = -1.37<i>x<\/i>[n] - 0.95<i>x<\/i>[n-1] + 2.22<i>y<\/i>[n-1] + 2.92<i>y<\/i>[n-2] - 0.45<i>y<\/i>[n-3]","<i>y<\/i>[n] = -1.37<i>x<\/i>[n] - 0.95<i>x<\/i>[n-1] - 2.22<i>y<\/i>[n-1] - 2.92<i>y<\/i>[n-2] + 0.45<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -2.41        -4.4]; a =[1        4.04       -3.64        2.68       -4.28]","b = [ 2.41        -4.4]; a =[1       -4.04        3.64       -2.68        4.28]","b = [ -2.41        -4.4]; a =[1       -4.04        3.64       -2.68        4.28]","b = [ 2.41         4.4]; a =[1        4.04       -3.64        2.68       -4.28]","b = [ 2.41         4.4]; a =[1       -4.04        3.64       -2.68        4.28]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -2.41<i>x<\/i>[n] - 4.4<i>x<\/i>[n-1] - 4.04<i>y<\/i>[n-1] + 3.64<i>y<\/i>[n-2] - 2.68<i>y<\/i>[n-3] + 4.28<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.41<i>x<\/i>[n] - 4.4<i>x<\/i>[n-1] + 4.04<i>y<\/i>[n-1] - 3.64<i>y<\/i>[n-2] + 2.68<i>y<\/i>[n-3] - 4.28<i>y<\/i>[n-4]","<i>y<\/i>[n] = -2.41<i>x<\/i>[n] - 4.4<i>x<\/i>[n-1] + 4.04<i>y<\/i>[n-1] - 3.64<i>y<\/i>[n-2] + 2.68<i>y<\/i>[n-3] - 4.28<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.41<i>x<\/i>[n] + 4.4<i>x<\/i>[n-1] - 4.04<i>y<\/i>[n-1] + 3.64<i>y<\/i>[n-2] - 2.68<i>y<\/i>[n-3] + 4.28<i>y<\/i>[n-4]","<i>y<\/i>[n] = 2.41<i>x<\/i>[n] + 4.4<i>x<\/i>[n-1] + 4.04<i>y<\/i>[n-1] - 3.64<i>y<\/i>[n-2] + 2.68<i>y<\/i>[n-3] - 4.28<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 4.48       -2.04]; a =[1       -1.95        1.39        -4.5]","b = [ -4.48       -2.04]; a =[1        1.95       -1.39         4.5]","b = [ 4.48       -2.04]; a =[1        1.95       -1.39         4.5]","b = [ -4.48        2.04]; a =[1       -1.95        1.39        -4.5]","b = [ -4.48        2.04]; a =[1        1.95       -1.39         4.5]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 4.48<i>x<\/i>[n] - 2.04<i>x<\/i>[n-1] + 1.95<i>y<\/i>[n-1] - 1.39<i>y<\/i>[n-2] + 4.5<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.48<i>x<\/i>[n] - 2.04<i>x<\/i>[n-1] - 1.95<i>y<\/i>[n-1] + 1.39<i>y<\/i>[n-2] - 4.5<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.48<i>x<\/i>[n] - 2.04<i>x<\/i>[n-1] - 1.95<i>y<\/i>[n-1] + 1.39<i>y<\/i>[n-2] - 4.5<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.48<i>x<\/i>[n] + 2.04<i>x<\/i>[n-1] + 1.95<i>y<\/i>[n-1] - 1.39<i>y<\/i>[n-2] + 4.5<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.48<i>x<\/i>[n] + 2.04<i>x<\/i>[n-1] - 1.95<i>y<\/i>[n-1] + 1.39<i>y<\/i>[n-2] - 4.5<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 4.24        2.14        3.21]; a =[1        0.64       -2.46        2.04        2.16]","b = [ -4.24        2.14        3.21]; a =[1       -0.64        2.46       -2.04       -2.16]","b = [ 4.24        2.14        3.21]; a =[1       -0.64        2.46       -2.04       -2.16]","b = [ -4.24       -2.14       -3.21]; a =[1        0.64       -2.46        2.04        2.16]","b = [ -4.24       -2.14       -3.21]; a =[1       -0.64        2.46       -2.04       -2.16]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 4.24<i>x<\/i>[n] + 2.14<i>x<\/i>[n-1] + 3.21<i>x<\/i>[n-2] - 0.64<i>y<\/i>[n-1] + 2.46<i>y<\/i>[n-2] - 2.04<i>y<\/i>[n-3] - 2.16<i>y<\/i>[n-4]","<i>y<\/i>[n] = -4.24<i>x<\/i>[n] + 2.14<i>x<\/i>[n-1] + 3.21<i>x<\/i>[n-2] + 0.64<i>y<\/i>[n-1] - 2.46<i>y<\/i>[n-2] + 2.04<i>y<\/i>[n-3] + 2.16<i>y<\/i>[n-4]","<i>y<\/i>[n] = 4.24<i>x<\/i>[n] + 2.14<i>x<\/i>[n-1] + 3.21<i>x<\/i>[n-2] + 0.64<i>y<\/i>[n-1] - 2.46<i>y<\/i>[n-2] + 2.04<i>y<\/i>[n-3] + 2.16<i>y<\/i>[n-4]","<i>y<\/i>[n] = -4.24<i>x<\/i>[n] - 2.14<i>x<\/i>[n-1] - 3.21<i>x<\/i>[n-2] - 0.64<i>y<\/i>[n-1] + 2.46<i>y<\/i>[n-2] - 2.04<i>y<\/i>[n-3] - 2.16<i>y<\/i>[n-4]","<i>y<\/i>[n] = -4.24<i>x<\/i>[n] - 2.14<i>x<\/i>[n-1] - 3.21<i>x<\/i>[n-2] + 0.64<i>y<\/i>[n-1] - 2.46<i>y<\/i>[n-2] + 2.04<i>y<\/i>[n-3] + 2.16<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 0       -0.04]; a =[1        -3.4        2.98]","b = [ 0       -0.04]; a =[1         3.4       -2.98]","b = [ 0       -0.04]; a =[1         3.4       -2.98]","b = [ 0        0.04]; a =[1        -3.4        2.98]","b = [ 0        0.04]; a =[1         3.4       -2.98]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 0<i>x<\/i>[n] - 0.04<i>x<\/i>[n-1] + 3.4<i>y<\/i>[n-1] - 2.98<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0<i>x<\/i>[n] - 0.04<i>x<\/i>[n-1] - 3.4<i>y<\/i>[n-1] + 2.98<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0<i>x<\/i>[n] - 0.04<i>x<\/i>[n-1] - 3.4<i>y<\/i>[n-1] + 2.98<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0<i>x<\/i>[n] + 0.04<i>x<\/i>[n-1] + 3.4<i>y<\/i>[n-1] - 2.98<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0<i>x<\/i>[n] + 0.04<i>x<\/i>[n-1] - 3.4<i>y<\/i>[n-1] + 2.98<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -3.45        0.61]; a =[1       -0.93        0.39       -3.99       -2.14]","b = [ -3.45       -0.61]; a =[1        0.93       -0.39        3.99        2.14]","b = [ -3.45        0.61]; a =[1        0.93       -0.39        3.99        2.14]","b = [ 3.45       -0.61]; a =[1       -0.93        0.39       -3.99       -2.14]","b = [ 3.45       -0.61]; a =[1        0.93       -0.39        3.99        2.14]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -3.45<i>x<\/i>[n] + 0.61<i>x<\/i>[n-1] + 0.93<i>y<\/i>[n-1] - 0.39<i>y<\/i>[n-2] + 3.99<i>y<\/i>[n-3] + 2.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = -3.45<i>x<\/i>[n] - 0.61<i>x<\/i>[n-1] - 0.93<i>y<\/i>[n-1] + 0.39<i>y<\/i>[n-2] - 3.99<i>y<\/i>[n-3] - 2.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = -3.45<i>x<\/i>[n] + 0.61<i>x<\/i>[n-1] - 0.93<i>y<\/i>[n-1] + 0.39<i>y<\/i>[n-2] - 3.99<i>y<\/i>[n-3] - 2.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = 3.45<i>x<\/i>[n] - 0.61<i>x<\/i>[n-1] + 0.93<i>y<\/i>[n-1] - 0.39<i>y<\/i>[n-2] + 3.99<i>y<\/i>[n-3] + 2.14<i>y<\/i>[n-4]","<i>y<\/i>[n] = 3.45<i>x<\/i>[n] - 0.61<i>x<\/i>[n-1] - 0.93<i>y<\/i>[n-1] + 0.39<i>y<\/i>[n-2] - 3.99<i>y<\/i>[n-3] - 2.14<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 4.25        -0.5]; a =[1       -0.17        4.27        4.93           3]","b = [ 4.25         0.5]; a =[1        0.17       -4.27       -4.93          -3]","b = [ 4.25        -0.5]; a =[1        0.17       -4.27       -4.93          -3]","b = [ -4.25         0.5]; a =[1       -0.17        4.27        4.93           3]","b = [ -4.25         0.5]; a =[1        0.17       -4.27       -4.93          -3]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 4.25<i>x<\/i>[n] - 0.5<i>x<\/i>[n-1] + 0.17<i>y<\/i>[n-1] - 4.27<i>y<\/i>[n-2] - 4.93<i>y<\/i>[n-3] - 3<i>y<\/i>[n-4]","<i>y<\/i>[n] = 4.25<i>x<\/i>[n] + 0.5<i>x<\/i>[n-1] - 0.17<i>y<\/i>[n-1] + 4.27<i>y<\/i>[n-2] + 4.93<i>y<\/i>[n-3] + 3<i>y<\/i>[n-4]","<i>y<\/i>[n] = 4.25<i>x<\/i>[n] - 0.5<i>x<\/i>[n-1] - 0.17<i>y<\/i>[n-1] + 4.27<i>y<\/i>[n-2] + 4.93<i>y<\/i>[n-3] + 3<i>y<\/i>[n-4]","<i>y<\/i>[n] = -4.25<i>x<\/i>[n] + 0.5<i>x<\/i>[n-1] + 0.17<i>y<\/i>[n-1] - 4.27<i>y<\/i>[n-2] - 4.93<i>y<\/i>[n-3] - 3<i>y<\/i>[n-4]","<i>y<\/i>[n] = -4.25<i>x<\/i>[n] + 0.5<i>x<\/i>[n-1] - 0.17<i>y<\/i>[n-1] + 4.27<i>y<\/i>[n-2] + 4.93<i>y<\/i>[n-3] + 3<i>y<\/i>[n-4]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ 1.7       -1.88]; a =[1       -3.54        2.08           5]","b = [ -1.7       -1.88]; a =[1        3.54       -2.08          -5]","b = [ 1.7       -1.88]; a =[1        3.54       -2.08          -5]","b = [ -1.7        1.88]; a =[1       -3.54        2.08           5]","b = [ -1.7        1.88]; a =[1        3.54       -2.08          -5]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 1.7<i>x<\/i>[n] - 1.88<i>x<\/i>[n-1] + 3.54<i>y<\/i>[n-1] - 2.08<i>y<\/i>[n-2] - 5<i>y<\/i>[n-3]","<i>y<\/i>[n] = -1.7<i>x<\/i>[n] - 1.88<i>x<\/i>[n-1] - 3.54<i>y<\/i>[n-1] + 2.08<i>y<\/i>[n-2] + 5<i>y<\/i>[n-3]","<i>y<\/i>[n] = 1.7<i>x<\/i>[n] - 1.88<i>x<\/i>[n-1] - 3.54<i>y<\/i>[n-1] + 2.08<i>y<\/i>[n-2] + 5<i>y<\/i>[n-3]","<i>y<\/i>[n] = -1.7<i>x<\/i>[n] + 1.88<i>x<\/i>[n-1] + 3.54<i>y<\/i>[n-1] - 2.08<i>y<\/i>[n-2] - 5<i>y<\/i>[n-3]","<i>y<\/i>[n] = -1.7<i>x<\/i>[n] + 1.88<i>x<\/i>[n-1] - 3.54<i>y<\/i>[n-1] + 2.08<i>y<\/i>[n-2] + 5<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"statement": "Match b and a system representation to its corresponding difference equation", "advice": "", "rulesets": {}, "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "m_n_x", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "minMarks": 0, "maxMarks": 0, "minAnswers": 0, "maxAnswers": 0, "shuffleChoices": true, "shuffleAnswers": true, "displayType": "radiogroup", "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", 
			
			"choices": ["b = [ -4.22       -3.06        1.95        1.11]; a =[1        3.74       -3.58        2.34]","b = [ -4.22       -3.06        1.95       -1.11]; a =[1       -3.74        3.58       -2.34]","b = [ -4.22       -3.06        1.95        1.11]; a =[1       -3.74        3.58       -2.34]","b = [ 4.22        3.06       -1.95       -1.11]; a =[1        3.74       -3.58        2.34]","b = [ 4.22        3.06       -1.95       -1.11]; a =[1       -3.74        3.58       -2.34]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -4.22<i>x<\/i>[n] - 3.06<i>x<\/i>[n-1] + 1.95<i>x<\/i>[n-2] + 1.11<i>x<\/i>[n-3] - 3.74<i>y<\/i>[n-1] + 3.58<i>y<\/i>[n-2] - 2.34<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.22<i>x<\/i>[n] - 3.06<i>x<\/i>[n-1] + 1.95<i>x<\/i>[n-2] - 1.11<i>x<\/i>[n-3] + 3.74<i>y<\/i>[n-1] - 3.58<i>y<\/i>[n-2] + 2.34<i>y<\/i>[n-3]","<i>y<\/i>[n] = -4.22<i>x<\/i>[n] - 3.06<i>x<\/i>[n-1] + 1.95<i>x<\/i>[n-2] + 1.11<i>x<\/i>[n-3] + 3.74<i>y<\/i>[n-1] - 3.58<i>y<\/i>[n-2] + 2.34<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.22<i>x<\/i>[n] + 3.06<i>x<\/i>[n-1] - 1.95<i>x<\/i>[n-2] - 1.11<i>x<\/i>[n-3] - 3.74<i>y<\/i>[n-1] + 3.58<i>y<\/i>[n-2] - 2.34<i>y<\/i>[n-3]","<i>y<\/i>[n] = 4.22<i>x<\/i>[n] + 3.06<i>x<\/i>[n-1] - 1.95<i>x<\/i>[n-2] - 1.11<i>x<\/i>[n-3] + 3.74<i>y<\/i>[n-1] - 3.58<i>y<\/i>[n-2] + 2.34<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -4.91       -4.61]; a =[1        2.79       -1.99]","b = [ 4.91       -4.61]; a =[1       -2.79        1.99]","b = [ -4.91       -4.61]; a =[1       -2.79        1.99]","b = [ 4.91        4.61]; a =[1        2.79       -1.99]","b = [ 4.91        4.61]; a =[1       -2.79        1.99]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -4.91<i>x<\/i>[n] - 4.61<i>x<\/i>[n-1] - 2.79<i>y<\/i>[n-1] + 1.99<i>y<\/i>[n-2]","<i>y<\/i>[n] = 4.91<i>x<\/i>[n] - 4.61<i>x<\/i>[n-1] + 2.79<i>y<\/i>[n-1] - 1.99<i>y<\/i>[n-2]","<i>y<\/i>[n] = -4.91<i>x<\/i>[n] - 4.61<i>x<\/i>[n-1] + 2.79<i>y<\/i>[n-1] - 1.99<i>y<\/i>[n-2]","<i>y<\/i>[n] = 4.91<i>x<\/i>[n] + 4.61<i>x<\/i>[n-1] - 2.79<i>y<\/i>[n-1] + 1.99<i>y<\/i>[n-2]","<i>y<\/i>[n] = 4.91<i>x<\/i>[n] + 4.61<i>x<\/i>[n-1] + 2.79<i>y<\/i>[n-1] - 1.99<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -1.23       -3.33       -1.65]; a =[1       -1.33        -1.7]","b = [ 1.23       -3.33       -1.65]; a =[1        1.33         1.7]","b = [ -1.23       -3.33       -1.65]; a =[1        1.33         1.7]","b = [ 1.23        3.33        1.65]; a =[1       -1.33        -1.7]","b = [ 1.23        3.33        1.65]; a =[1        1.33         1.7]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -1.23<i>x<\/i>[n] - 3.33<i>x<\/i>[n-1] - 1.65<i>x<\/i>[n-2] + 1.33<i>y<\/i>[n-1] + 1.7<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.23<i>x<\/i>[n] - 3.33<i>x<\/i>[n-1] - 1.65<i>x<\/i>[n-2] - 1.33<i>y<\/i>[n-1] - 1.7<i>y<\/i>[n-2]","<i>y<\/i>[n] = -1.23<i>x<\/i>[n] - 3.33<i>x<\/i>[n-1] - 1.65<i>x<\/i>[n-2] - 1.33<i>y<\/i>[n-1] - 1.7<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.23<i>x<\/i>[n] + 3.33<i>x<\/i>[n-1] + 1.65<i>x<\/i>[n-2] + 1.33<i>y<\/i>[n-1] + 1.7<i>y<\/i>[n-2]","<i>y<\/i>[n] = 1.23<i>x<\/i>[n] + 3.33<i>x<\/i>[n-1] + 1.65<i>x<\/i>[n-2] - 1.33<i>y<\/i>[n-1] - 1.7<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ -2.16        1.29        0.42]; a =[1       -0.94       -4.64       -2.26]","b = [ -2.16       -1.29        0.42]; a =[1        0.94        4.64        2.26]","b = [ -2.16        1.29        0.42]; a =[1        0.94        4.64        2.26]","b = [ 2.16       -1.29       -0.42]; a =[1       -0.94       -4.64       -2.26]","b = [ 2.16       -1.29       -0.42]; a =[1        0.94        4.64        2.26]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = -2.16<i>x<\/i>[n] + 1.29<i>x<\/i>[n-1] + 0.42<i>x<\/i>[n-2] + 0.94<i>y<\/i>[n-1] + 4.64<i>y<\/i>[n-2] + 2.26<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.16<i>x<\/i>[n] - 1.29<i>x<\/i>[n-1] + 0.42<i>x<\/i>[n-2] - 0.94<i>y<\/i>[n-1] - 4.64<i>y<\/i>[n-2] - 2.26<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.16<i>x<\/i>[n] + 1.29<i>x<\/i>[n-1] + 0.42<i>x<\/i>[n-2] - 0.94<i>y<\/i>[n-1] - 4.64<i>y<\/i>[n-2] - 2.26<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.16<i>x<\/i>[n] - 1.29<i>x<\/i>[n-1] - 0.42<i>x<\/i>[n-2] + 0.94<i>y<\/i>[n-1] + 4.64<i>y<\/i>[n-2] + 2.26<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.16<i>x<\/i>[n] - 1.29<i>x<\/i>[n-1] - 0.42<i>x<\/i>[n-2] - 0.94<i>y<\/i>[n-1] - 4.64<i>y<\/i>[n-2] - 2.26<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
			"always", "penaltyVisibility": "always"
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			"choices": ["b = [ 0.26       -4.19        4.33]; a =[1         3.3        0.58]","b = [ -0.26       -4.19        4.33]; a =[1        -3.3       -0.58]","b = [ 0.26       -4.19        4.33]; a =[1        -3.3       -0.58]","b = [ -0.26        4.19       -4.33]; a =[1         3.3        0.58]","b = [ -0.26        4.19       -4.33]; a =[1        -3.3       -0.58]"], "matrix": [[1,0,0,0,0],[0,1,0,0,0],[0,0,1,0,0],[0,0,0,1,0],[0,0,0,0,1]], "layout": {"type": "all", "expression": ""}, 
			
			"answers": ["<i>y<\/i>[n] = 0.26<i>x<\/i>[n] - 4.19<i>x<\/i>[n-1] + 4.33<i>x<\/i>[n-2] - 3.3<i>y<\/i>[n-1] - 0.58<i>y<\/i>[n-2]","<i>y<\/i>[n] = -0.26<i>x<\/i>[n] - 4.19<i>x<\/i>[n-1] + 4.33<i>x<\/i>[n-2] + 3.3<i>y<\/i>[n-1] + 0.58<i>y<\/i>[n-2]","<i>y<\/i>[n] = 0.26<i>x<\/i>[n] - 4.19<i>x<\/i>[n-1] + 4.33<i>x<\/i>[n-2] + 3.3<i>y<\/i>[n-1] + 0.58<i>y<\/i>[n-2]","<i>y<\/i>[n] = -0.26<i>x<\/i>[n] + 4.19<i>x<\/i>[n-1] - 4.33<i>x<\/i>[n-2] - 3.3<i>y<\/i>[n-1] - 0.58<i>y<\/i>[n-2]","<i>y<\/i>[n] = -0.26<i>x<\/i>[n] + 4.19<i>x<\/i>[n-1] - 4.33<i>x<\/i>[n-2] + 3.3<i>y<\/i>[n-1] + 0.58<i>y<\/i>[n-2]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["<i>y<\/i>[n] = -2.61<i>x<\/i>[n] - 2.77<i>x<\/i>[n-1] - 4.26<i>x<\/i>[n-2] - 2.22<i>y<\/i>[n-1] + 3.28<i>y<\/i>[n-2] + 4.32<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.61<i>x<\/i>[n] - 2.77<i>x<\/i>[n-1] + 4.26<i>x<\/i>[n-2] + 2.22<i>y<\/i>[n-1] - 3.28<i>y<\/i>[n-2] - 4.32<i>y<\/i>[n-3]","<i>y<\/i>[n] = -2.61<i>x<\/i>[n] - 2.77<i>x<\/i>[n-1] - 4.26<i>x<\/i>[n-2] + 2.22<i>y<\/i>[n-1] - 3.28<i>y<\/i>[n-2] - 4.32<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.61<i>x<\/i>[n] + 2.77<i>x<\/i>[n-1] + 4.26<i>x<\/i>[n-2] - 2.22<i>y<\/i>[n-1] + 3.28<i>y<\/i>[n-2] + 4.32<i>y<\/i>[n-3]","<i>y<\/i>[n] = 2.61<i>x<\/i>[n] + 2.77<i>x<\/i>[n-1] + 4.26<i>x<\/i>[n-2] + 2.22<i>y<\/i>[n-1] - 3.28<i>y<\/i>[n-2] - 4.32<i>y<\/i>[n-3]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ -4.59        0.31        1.43       -3.47]; a =[1       -4.46       -3.75         4.5        4.23]","b = [ 4.59       -0.31       -1.43        3.47]; a =[1        4.46        3.75        -4.5       -4.23]","b = [ -4.59        0.31        1.43       -3.47]; a =[1        4.46        3.75        -4.5       -4.23]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ 3.75       -1.23        1.97       -4.03]; a =[1       -2.02        2.15]","b = [ -3.75        1.23       -1.97        4.03]; a =[1        2.02       -2.15]","b = [ 3.75       -1.23        1.97       -4.03]; a =[1        2.02       -2.15]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ -1.48       -1.46        4.41]; a =[1        0.65       -1.64        2.49       -0.67]","b = [ 1.48        1.46       -4.41]; a =[1       -0.65        1.64       -2.49        0.67]","b = [ -1.48       -1.46        4.41]; a =[1       -0.65        1.64       -2.49        0.67]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ 1.91        2.41        3.82]; a =[1       -1.93        4.85]","b = [ -1.91       -2.41       -3.82]; a =[1        1.93       -4.85]","b = [ 1.91        2.41        3.82]; a =[1        1.93       -4.85]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ 1       -0.71]; a =[1       -4.15         3.1         3.8]","b = [ -1        0.71]; a =[1        4.15        -3.1        -3.8]","b = [ 1       -0.71]; a =[1        4.15        -3.1        -3.8]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ -2.54        0.74]; a =[1       -1.08       -3.44]","b = [ 2.54       -0.74]; a =[1        1.08        3.44]","b = [ -2.54        0.74]; a =[1        1.08        3.44]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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			"answers": ["b = [ -2.15        2.46       -3.28]; a =[1       -4.53       -1.19]","b = [ 2.15       -2.46        3.28]; a =[1        4.53        1.19]","b = [ -2.15        2.46       -3.28]; a =[1        4.53        1.19]"]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": 
			
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