// Numbas version: exam_results_page_options
{"name": "Which quadrant", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Which quadrant", "parts": [{"displayColumns": 0, "matrix": ["if (t=1,1,0)", "if (t=2,1,0)", "if (t=3,1,0)", "if (t=4,1,0)"], "shuffleChoices": false, "marks": 0, "prompt": "<p>The complex number $z=\\var{z1}$ is in which quadrant?</p>", "distractors": ["", "", "", ""], "scripts": {}, "variableReplacementStrategy": "originalfirst", "showCorrectAnswer": true, "choices": ["<p>First</p>", "<p>Second</p>", "<p>Third</p>", "<p>Fourth</p>"], "minMarks": 0, "type": "1_n_2", "showFeedbackIcon": true, "displayType": "radiogroup", "maxMarks": 0, "variableReplacements": []}], "functions": {}, "preamble": {"css": "", "js": ""}, "variablesTest": {"condition": "", "maxRuns": 100}, "advice": "<p>Since the real part of $z$ is {rez} and the imaginary part of $z$ is {imz}, {quad}</p>\n<p>&nbsp;</p>", "variable_groups": [], "extensions": [], "rulesets": {"std": ["all", "!collectNumbers", "fractionNumbers", "!noLeadingMinus"]}, "statement": "", "variables": {"rez": {"definition": "if (a1>=0,\"Positive\",\"Negative\")", "name": "rez", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "q4": {"definition": "'The complex number is in the fourth quadrant.'", "name": "q4", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "q3": {"definition": "'The complex number is in the third quadrant.'", "name": "q3", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "z1": {"definition": "a1+b1*i", "name": "z1", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "q2": {"definition": "'The complex number is in the second quadrant.'", "name": "q2", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "s1": {"definition": "switch(t=1,1,t=4,1,-1)", "name": "s1", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "b1": {"definition": "s2*random(1..10)", "name": "b1", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "s2": {"definition": "switch(t=4,-1,t=3,-1,1)", "name": "s2", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "a1": {"definition": "s1*random(1..10)", "name": "a1", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "imz": {"definition": "if (b1>=0,\"Positive\",\"Negative\")", "name": "imz", "templateType": "anything", "description": "<p>im</p>", "group": "Ungrouped variables"}, "q1": {"definition": "'The complex number is in the first quadrant.'", "name": "q1", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "quad": {"definition": "switch(t=1,q1,t=2,q2,t=3,q3,q4)", "name": "quad", "templateType": "anything", "description": "", "group": "Ungrouped variables"}, "t": {"definition": "random(1..4)", "name": "t", "templateType": "anything", "description": "", "group": "Ungrouped variables"}}, "tags": [], "metadata": {"licence": "Creative Commons Attribution 4.0 International", "description": "<p>Practice to decide which quadrant a complex number lies in.</p>"}, "ungrouped_variables": ["b1", "q1", "q3", "q2", "q4", "s2", "s1", "quad", "a1", "z1", "t", "rez", "imz"], "type": "question", "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}]}], "contributors": [{"name": "Michael Proudman", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/269/"}]}