// Numbas version: finer_feedback_settings {"name": "PreCal Finding the real roots of a cubic polynomial", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"variable_groups": [], "rulesets": {}, "variables": {"r2": {"description": "", "templateType": "anything", "definition": "random(-10..10)", "group": "Ungrouped variables", "name": "r2"}, "r1": {"description": "", "templateType": "anything", "definition": "random(-10..10)", "group": "Ungrouped variables", "name": "r1"}, "r3": {"description": "", "templateType": "anything", "definition": "random(-10..10)", "group": "Ungrouped variables", "name": "r3"}}, "parts": [{"scripts": {}, "showCorrectAnswer": true, "useCustomName": false, "extendBaseMarkingAlgorithm": true, "showPreview": true, "failureRate": 1, "variableReplacementStrategy": "originalfirst", "marks": 1, "prompt": "
FIND: The zeros of the given function.
\nYour answer should be in the format: set(r1,r2..,rn)
", "adaptiveMarkingPenalty": 0, "checkVariableNames": false, "vsetRange": [0, 1], "variableReplacements": [], "vsetRangePoints": 5, "type": "jme", "checkingAccuracy": 0.001, "unitTests": [], "checkingType": "absdiff", "customMarkingAlgorithm": "", "showFeedbackIcon": true, "answer": "set({r1},{r2},{r3})", "customName": "", "valuegenerators": []}], "preamble": {"css": "", "js": ""}, "variablesTest": {"maxRuns": 100, "condition": ""}, "functions": {}, "ungrouped_variables": ["r1", "r2", "r3"], "name": "PreCal Finding the real roots of a cubic polynomial", "statement": "GIVEN: $f(x)=\\simplify{ x^3 - ({r1}+{r2}+{r3})*x^2 + ( {r1}*{r2} + {r1}*{r3} + {r3}*{r2} )*x - {r1}*{r2}*{r3} }$
\n", "metadata": {"description": "", "licence": "All rights reserved"}, "tags": [], "extensions": [], "advice": "", "type": "question", "contributors": [{"name": "Terry Young", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3130/"}]}]}], "contributors": [{"name": "Terry Young", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3130/"}]}