// Numbas version: finer_feedback_settings
{"name": "Basic log  > Expo", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Basic log  > Expo", "tags": [], "metadata": {"description": "No description", "licence": "All rights reserved"}, "statement": "<p>Solve the following logarithmic equation:</p>\n<p>$\\log_\\var{b}(\\frac{1}{\\var{denom}}\\var{b}^x+\\var{c})=x$</p>\n<p><em>Instructions: You might enter:</em></p>\n<ul>\n<li><em>Decimal numbers (3 decimals after .)</em></li>\n<li><em>$\\infty$ (type \"infinity\")</em></li>\n<li><em>Fractions (use the symbol /)</em></li>\n<li><em>Log (type: \"log(<strong>argument</strong>, <strong>base</strong>)\")</em></li>\n</ul>", "advice": "<p>No solution available</p>", "rulesets": {}, "extensions": [], "variables": {"b": {"name": "b", "group": "Ungrouped variables", "definition": "random(2..9)", "description": "", "templateType": "anything"}, "a": {"name": "a", "group": "Ungrouped variables", "definition": "1/denom", "description": "", "templateType": "anything"}, "c": {"name": "c", "group": "Ungrouped variables", "definition": "random(1..10)", "description": "", "templateType": "anything"}, "denom": {"name": "denom", "group": "Ungrouped variables", "definition": "random(2..9)", "description": "", "templateType": "anything"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["b", "a", "c", "denom"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "showCorrectAnswer": true, "showFeedbackIcon": true, "scripts": {}, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "prompt": "<p>Domain: $x\\in$ ([[0]],[[1]])</p>\n<p>Solution: $x=$&nbsp;[[2]]</p>", "gaps": [{"type": "jme", "useCustomName": false, "customName": "", "marks": "0.5", "showCorrectAnswer": false, "showFeedbackIcon": true, "scripts": {}, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "answer": "-infinity", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": "0.01", "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": "0.5", "showCorrectAnswer": true, "showFeedbackIcon": true, "scripts": {}, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "answer": "infinity", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "valuegenerators": []}, {"type": "jme", "useCustomName": false, "customName": "", "marks": "2", "showCorrectAnswer": false, "showFeedbackIcon": true, "scripts": {}, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "answer": "log({c}/(1-{a}),{b})", "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "failureRate": 1, "vsetRangePoints": 5, "vsetRange": [0, 1], "checkVariableNames": false, "valuegenerators": []}], "sortAnswers": false}], "type": "question", "contributors": [{"name": "Kariane Ouellet", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4505/"}]}]}], "contributors": [{"name": "Kariane Ouellet", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/4505/"}]}