// Numbas version: exam_results_page_options
{"name": "Calculating gradient", "extensions": [], "custom_part_types": [], "resources": [["question-resources/dydx.png", "/srv/numbas/media/question-resources/dydx.png"]], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Calculating gradient", "ungrouped_variables": ["dy", "dx", "grad"], "variables": {"grad": {"group": "Ungrouped variables", "definition": "dy/dx", "name": "grad", "templateType": "anything", "description": ""}, "dx": {"group": "Ungrouped variables", "definition": "random(-2..25 except 0)", "name": "dx", "templateType": "anything", "description": ""}, "dy": {"group": "Ungrouped variables", "definition": "random(-5..20 except 0)", "name": "dy", "templateType": "anything", "description": ""}}, "advice": "<p>Gradient is calculated as:</p>\n<p>$\\frac{\\text{difference in }y}{\\text{difference in }x}$</p>", "tags": [], "functions": {}, "rulesets": {}, "extensions": [], "preamble": {"css": "", "js": ""}, "variable_groups": [], "metadata": {"licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International", "description": "<p>Calculating gradients</p>"}, "statement": "<p style=\"text-align: center;\">{image('resources/question-resources/dydx.png')}</p>", "parts": [{"correctAnswerFraction": true, "notationStyles": ["plain", "en", "si-en"], "variableReplacementStrategy": "originalfirst", "showFeedbackIcon": true, "prompt": "<p>If the difference of $y = \\var{dy}$, and the difference in $x = \\var{dx}$, calculate the gradient.</p>", "minValue": "grad-0.05", "mustBeReducedPC": 0, "maxValue": "grad+0.05", "variableReplacements": [], "marks": 1, "correctAnswerStyle": "plain", "allowFractions": true, "scripts": {}, "showCorrectAnswer": true, "mustBeReduced": false, "type": "numberentry"}], "variablesTest": {"condition": "", "maxRuns": 100}, "type": "question", "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/"}]}