// Numbas version: exam_results_page_options
{"name": "Find gradient from a graph", "extensions": ["geogebra"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Find gradient from a graph", "tags": [], "metadata": {"description": "", "licence": "None specified"}, "statement": "<p>{app}</p>", "advice": "", "rulesets": {}, "extensions": ["geogebra"], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {"app": {"name": "app", "group": "Ungrouped variables", "definition": "geogebra_applet(\n  800, 500,\n  [\n    A: [\n      definition: p1,\n      label_visible: false,\n      visible: false\n    ],\n    B: [\n      definition: p2,\n      label_visible: false,\n      visible: false      \n    ],\n    \n    line: [\n      definition: \"Line(A,B)\",\n      label_visible: false\n    ],    \n    \n    D: [\n      definition: vector(0,0),\n      label_visible: false\n    ],\n    \n    E: [\n      definition: vector(1,1),\n      label_visible: false\n    ]\n \n  ]\n)", "description": "", "templateType": "anything", "can_override": false}, "p1": {"name": "p1", "group": "Ungrouped variables", "definition": "vector(ax, ay)", "description": "", "templateType": "anything", "can_override": false}, "p2": {"name": "p2", "group": "Ungrouped variables", "definition": "vector(bx,by)", "description": "", "templateType": "anything", "can_override": false}, "m": {"name": "m", "group": "Ungrouped variables", "definition": "(ay-by)/(ax-bx)", "description": "", "templateType": "anything", "can_override": false}, "c": {"name": "c", "group": "Ungrouped variables", "definition": "ay-m*ax", "description": "", "templateType": "anything", "can_override": false}, "ax": {"name": "ax", "group": "Ungrouped variables", "definition": "random(0,1)", "description": "", "templateType": "anything", "can_override": false}, "ay": {"name": "ay", "group": "Ungrouped variables", "definition": "random(0,1,2,3)", "description": "<p>random(ax+1..3)</p>", "templateType": "anything", "can_override": false}, "bx": {"name": "bx", "group": "Ungrouped variables", "definition": "random(ax+1..3) ", "description": "", "templateType": "anything", "can_override": false}, "by": {"name": "by", "group": "Ungrouped variables", "definition": "random(0..4 except ay)", "description": "", "templateType": "anything", "can_override": false}, "uod": {"name": "uod", "group": "Ungrouped variables", "definition": "if(m=0,'horizontal',if(m=abs(m),'going up','going down'))", "description": "<p>if(m=abs(m),'positive','negative')</p>", "templateType": "anything", "can_override": false}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["app", "m", "c", "p1", "p2", "uod", "ax", "ay", "bx", "by"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Find the gradient of the line. (<em>If it's helpful, you can drag the blue markers to the two points on the line that you will use to calculate the gradient.</em>)</p>", "answer": "{m}", "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": []}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Alice Batchelor", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/21932/"}]}]}], "contributors": [{"name": "Alice Batchelor", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/21932/"}]}