// Numbas version: finer_feedback_settings
{"name": "Meerdere merkwaardige producten", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Meerdere merkwaardige producten", "tags": [], "metadata": {"description": "", "licence": "Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International"}, "statement": "<p>Los op</p>", "advice": "", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true, "j": false}, "constants": [], "variables": {"coef1": {"name": "coef1", "group": "Ungrouped variables", "definition": "random(2..7)*random(1,-1)", "description": "", "templateType": "anything", "can_override": false}, "coef2": {"name": "coef2", "group": "Ungrouped variables", "definition": "random(11,15)", "description": "", "templateType": "anything", "can_override": false}, "coef3": {"name": "coef3", "group": "Ungrouped variables", "definition": "coef1", "description": "", "templateType": "anything", "can_override": false}, "coef4": {"name": "coef4", "group": "Ungrouped variables", "definition": "coef2*-1", "description": "", "templateType": "anything", "can_override": false}, "coef5": {"name": "coef5", "group": "Ungrouped variables", "definition": "random(2..7)", "description": "", "templateType": "anything", "can_override": false}, "coef6": {"name": "coef6", "group": "Ungrouped variables", "definition": "random(2..7)", "description": "", "templateType": "anything", "can_override": false}, "coef7": {"name": "coef7", "group": "Ungrouped variables", "definition": "coef5*-1", "description": "", "templateType": "anything", "can_override": false}, "coef8": {"name": "coef8", "group": "Ungrouped variables", "definition": "coef6", "description": "", "templateType": "anything", "can_override": false}, "coef9": {"name": "coef9", "group": "Ungrouped variables", "definition": 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"templateType": "anything", "can_override": false}, "constante3": {"name": "constante3", "group": "oplossing3", "definition": "kwadcoef9^2", "description": "", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["coef1", "coef2", "coef3", "coef4", "coef5", "coef6", "coef7", "coef8", "coef9", "coef10", "kwadcoef9"], "variable_groups": [{"name": "oplossing1", "variables": ["oplcoefx2", "oplcoefx"]}, {"name": "oplossing 2", "variables": ["oplosx2", "oplosx"]}, {"name": "oplossing3", "variables": ["constante3"]}], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Werk uit met behulp van de formules voor de merkwaardige producten.&nbsp;</p>\n<p>a) $(\\var{coef1}x+\\var{coef2})(\\var{coef3}x\\var{coef4})+(\\var{coef1}x+\\var{coef2})^2=$</p>\n<p>[[0]]</p>\n<p>b) $(\\var{coef5}x+\\var{coef6})(\\var{coef7}x+\\var{coef8})-(\\var{coef5}x+\\var{coef6})^2=$</p>\n<p>[[1]]</p>\n<p>c) $(x+\\var{coef9})(x^2+\\var{kwadcoef9})(\\var{coef10}+x)=$</p>\n<p>[[2]]</p>\n<p></p>", "gaps": [{"type": "jme", "useCustomName": true, "customName": "opl1", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "{oplcoefx2}x^2+{oplcoefx}x", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, 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"valuegenerators": [{"name": "x", "value": ""}]}, {"type": "jme", "useCustomName": true, "customName": "opl3", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "x^4-{constante3}", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "singleLetterVariables": false, "allowUnknownFunctions": true, "implicitFunctionComposition": false, "caseSensitive": false, "valuegenerators": [{"name": "x", "value": ""}]}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Johan Maertens", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1301/"}], "resources": []}]}], "contributors": [{"name": "Johan Maertens", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1301/"}]}