// Numbas version: exam_results_page_options
{"name": "Math 3 Change of Base Formula", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Math 3 Change of Base Formula", "ungrouped_variables": ["base", "value", "answer"], "tags": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "parts": [{"prompt": "<p>$ \\log_{ \\var{base} }( \\var{value} )&nbsp; = $[[0]]</p>", "customName": "", "useCustomName": false, "unitTests": [], "variableReplacements": [], "sortAnswers": false, "extendBaseMarkingAlgorithm": true, "customMarkingAlgorithm": "", "showCorrectAnswer": true, "marks": 0, "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "showFeedbackIcon": true, "gaps": [{"matchMode": "exact", "customName": "", "displayAnswer": "log({value})/log({base})", "useCustomName": false, "unitTests": [], "variableReplacements": [], "showFeedbackIcon": true, "answer": "log({value})/log({base})", "showCorrectAnswer": true, "marks": 1, "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "type": "patternmatch", "scripts": {}}], "type": "gapfill", "scripts": {}}, {"prompt": "<p>The value is:</p>", "strictPrecision": false, "showPrecisionHint": false, "customName": "", "useCustomName": false, "showFeedbackIcon": true, "extendBaseMarkingAlgorithm": true, "showCorrectAnswer": true, "precisionMessage": "You have not given your answer to the correct precision.", "allowFractions": false, "precisionPartialCredit": "75", "type": "numberentry", "scripts": {}, "mustBeReducedPC": 0, "minValue": "answer", "correctAnswerStyle": "plain", "variableReplacements": [], "unitTests": [], "customMarkingAlgorithm": "", "correctAnswerFraction": false, "marks": 1, "maxValue": "answer", "adaptiveMarkingPenalty": 0, "mustBeReduced": false, "variableReplacementStrategy": "originalfirst", "precision": "4", "precisionType": "dp", "notationStyles": ["plain", "en", "si-en"]}], "variables": {"base": {"name": "base", "definition": "random(2..9)", "group": "Ungrouped variables", "description": "", "templateType": "anything"}, "value": {"name": "value", "definition": "random(2..100)", "group": "Ungrouped variables", "description": "", "templateType": "anything"}, "answer": {"name": "answer", "definition": "log(value)/log(base)", "group": "Ungrouped variables", "description": "", "templateType": "anything"}}, "metadata": {"description": "", "licence": "All rights reserved"}, "variable_groups": [], "rulesets": {}, "extensions": [], "advice": "", "functions": {}, "statement": "<p>Use the change of base formula.&nbsp; Then evaluate and round to 4 decimal places, if needed.</p>\n<p>GIVEN:&nbsp; $ \\log_{ \\var{base} }( \\var{value} )&nbsp; $</p>", "preamble": {"css": "", "js": ""}, "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/"}]}