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{"name": "Gradient", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"parts": [{"choices": ["<p>$\\var{a}$</p>", "<p>$\\var{b}$</p>", "<p>$x$</p>", "<p>$y$</p>"], "variableReplacementStrategy": "originalfirst", "displayColumns": "1", "prompt": "<p>$y = \\var{a}x + \\var{b}$</p>", "matrix": ["1", 0, 0, 0], "distractors": ["", "", "", ""], "showCorrectAnswer": true, "marks": 0, "variableReplacements": [], "scripts": {}, "type": "1_n_2", "displayType": "radiogroup", "maxMarks": 0, "minMarks": 0, "shuffleChoices": true}], "variables": {"a": {"description": "", "templateType": "anything", "definition": "random(-10..10)", "name": "a", "group": "Ungrouped variables"}, "b": {"description": "", "templateType": "anything", "definition": "random(-10..10)", "name": "b", "group": "Ungrouped variables"}}, "extensions": [], "preamble": {"css": "", "js": ""}, "variable_groups": [], "name": "Gradient", "variablesTest": {"condition": "", "maxRuns": 100}, "functions": {}, "type": "question", "ungrouped_variables": ["a", "b"], "question_groups": [{"pickingStrategy": "all-ordered", "pickQuestions": 0, "questions": [], "name": ""}], "tags": [], "metadata": {"description": "<p>Identifying the gradient from a straight-line graph equation y=mx+c</p>", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "advice": "<p>In a straight-line graph the general equation is $y = mx + c$ where c is the intercept and m is the gradient.</p>", "rulesets": {}, "showQuestionGroupNames": false, "statement": "<p>Identify the gradient in the following straight-line graph equation:</p>", "contributors": [{"name": "Mark Hodds", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/510/"}]}]}], "contributors": [{"name": "Mark Hodds", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/510/"}]}