// Numbas version: finer_feedback_settings
{"name": "Q24", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "extensions": [], "metadata": {"description": "", "licence": "Creative Commons Attribution 4.0 International"}, "tags": [], "preamble": {"js": "", "css": ""}, "name": "Q24", "statement": "<p>${\\int{\\simplify{{a}x/(sqrt({b}x^2+{c}))}}}dx =$</p>", "rulesets": {}, "variablesTest": {"maxRuns": 100, "condition": ""}, "ungrouped_variables": ["a", "b", "c", "correctAnswer", "Choice1", "Choice2", "Choice3", "choices", "noneofthesemarks", "choicemarks", "marks", "shuffledchoices", "order"], "variables": {"choicemarks": {"name": "choicemarks", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "//marks to award for each of the above choices\n    [1,0,0,0]"}, "b": {"name": "b", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "random(1..6 except a)"}, "Choice3": {"name": "Choice3", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "expression('(' + a + '/' + 2*b +')*(' +b + 'x^2 + ' + c + ')^(3/2) + C')"}, "c": {"name": "c", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "random(-5..5 except 0 except a except b)"}, "choices": {"name": "choices", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "//choices, apart from \"none of the above\"\n    [correctAnswer,Choice1,Choice2,Choice3]"}, "order": {"name": "order", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "//the order in which to display the choices - pick a random permutation of [0,1,2,3,4]\n    deal(4)"}, "marks": {"name": "marks", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "//marks to award for each choice, then append the marks for \"none of the above\"\n    map(choicemarks[j],j,order)+noneofthesemarks"}, "Choice1": {"name": "Choice1", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "expression('(' + a + '/' + b +')*(' +b + 'x^2 + ' + c + ')^(3/2) + C')"}, "a": {"name": "a", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "random(2..5)"}, "shuffledchoices": {"name": "shuffledchoices", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "//the choice texts, in the shuffled order\n    map(choices[j],j,order)"}, "Choice2": {"name": "Choice2", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "expression('(1/' + a*b +')*(' +b + 'x^2 + ' + c + ')^(1/2) + C')"}, "correctAnswer": {"name": "correctAnswer", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "expression('(' + a + '/' + b +')*(' +b + 'x^2 + ' + c + ')^(1/2) + C')"}, "noneofthesemarks": {"name": "noneofthesemarks", "description": "", "group": "Ungrouped variables", "templateType": "anything", "definition": "//marks to award for selecting \"none of these\"\n    0"}}, "variable_groups": [], "advice": "", "parts": [{"scripts": {}, "shuffleChoices": false, "showCellAnswerState": true, "showFeedbackIcon": true, "unitTests": [], "customMarkingAlgorithm": "", "maxMarks": 0, "useCustomName": false, "matrix": "marks", "minMarks": 0, "extendBaseMarkingAlgorithm": true, "displayType": "radiogroup", "marks": 0, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "adaptiveMarkingPenalty": 0, "showCorrectAnswer": true, "type": "1_n_2", "customName": "", "displayColumns": 0, "choices": ["<p>$\\simplify{{shuffledchoices[0]}}$</p>", "<p>$\\simplify{{shuffledchoices[1]}}$</p>", "<p>$\\simplify{{shuffledchoices[2]}}$</p>", "<p>$\\simplify{{shuffledchoices[3]}}$</p>", "<p>None of these</p>"]}], "type": "question", "contributors": [{"name": "David Wishart", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1461/"}]}]}], "contributors": [{"name": "David Wishart", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1461/"}]}