// Numbas version: exam_results_page_options
{"name": "Q21", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Q21", "rulesets": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "extensions": [], "parts": [{"variableReplacements": [], "minMarks": 0, "displayType": "radiogroup", "type": "1_n_2", "scripts": {}, "variableReplacementStrategy": "originalfirst", "showCorrectAnswer": true, "marks": 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>"], "matrix": "marks", "showFeedbackIcon": true, "displayColumns": 0, "shuffleChoices": false, "maxMarks": 0}], "metadata": {"licence": "Creative Commons Attribution 4.0 International", "description": ""}, "tags": [], "functions": {}, "variable_groups": [], "ungrouped_variables": ["a", "b", "c", "correctAnswer", "Choice1", "Choice2", "Choice3", "choices", "noneofthesemarks", "choicemarks", "marks", "shuffledchoices", "order"], "statement": "<p>Given&nbsp;$\\simplify{y = {a}k*x^{b}+{c}}$, the derivative function $\\simplify{d*y/(d*x)}$ is</p>", "variables": {"correctAnswer": {"description": "", "definition": "expression((a*b) +'k*x^' + (b-1))", "templateType": "anything", "group": "Ungrouped variables", "name": "correctAnswer"}, "choicemarks": {"description": "", "definition": "//marks to award for each of the above choices\n    [1,0,0,0]", "templateType": "anything", "group": "Ungrouped variables", "name": "choicemarks"}, "Choice2": {"description": "", "definition": "expression((a*b) +'k*x^' + (b-1) + '+' + c)", "templateType": "anything", "group": "Ungrouped variables", "name": "Choice2"}, "Choice3": {"description": "", "definition": "expression(a + 'k*x^' + b)", "templateType": "anything", "group": "Ungrouped variables", "name": "Choice3"}, "marks": {"description": "", "definition": "//marks to award for each choice, then append the marks for \"none of the above\"\n    map(choicemarks[j],j,order)+noneofthesemarks", "templateType": "anything", "group": "Ungrouped variables", "name": "marks"}, "shuffledchoices": {"description": "", "definition": "//the choice texts, in the shuffled order\n    map(choices[j],j,order)", "templateType": "anything", "group": "Ungrouped variables", "name": "shuffledchoices"}, "order": {"description": "", "definition": "//the order in which to display the choices - pick a random permutation of [0,1,2,3,4]\n    deal(4)", "templateType": "anything", "group": "Ungrouped variables", "name": "order"}, "noneofthesemarks": {"description": "", "definition": "//marks to award for selecting \"none of these\"\n    0", "templateType": "anything", "group": "Ungrouped variables", "name": "noneofthesemarks"}, "choices": {"description": "", "definition": "//choices, apart from \"none of the above\"\n    [correctAnswer,Choice1,Choice2,Choice3]", "templateType": "anything", "group": "Ungrouped variables", "name": "choices"}, "Choice1": {"description": "", "definition": "expression((a*b) +'x^' + (b-1) + '+' + c)", "templateType": "anything", "group": "Ungrouped variables", "name": "Choice1"}, "c": {"description": "", "definition": "random(-9..9 except 0 except a)", "templateType": "anything", "group": "Ungrouped variables", "name": "c"}, "b": {"description": "", "definition": "random(3..5 except a)", "templateType": "anything", "group": "Ungrouped variables", "name": "b"}, "a": {"description": "", "definition": "random(2..9)", "templateType": "anything", "group": "Ungrouped variables", "name": "a"}}, "advice": "", "preamble": {"css": "", "js": ""}, "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/"}]}