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"url": "https://numbas.mathcentre.ac.uk/api/questions/14/?format=api",
"name": "Combining algebraic fractions 4",
"published": true,
"project": "https://numbas.mathcentre.ac.uk/api/projects/3/?format=api",
"author": {
"url": "https://numbas.mathcentre.ac.uk/api/users/6/?format=api",
"profile": "https://numbas.mathcentre.ac.uk/accounts/profile/6/?format=api",
"full_name": "Bill Foster",
"pk": 6,
"avatar": null
},
"edit": "https://numbas.mathcentre.ac.uk/question/14/combining-algebraic-fractions-4/?format=api",
"preview": "https://numbas.mathcentre.ac.uk/question/14/combining-algebraic-fractions-4/preview/?format=api",
"download": "https://numbas.mathcentre.ac.uk/question/14/combining-algebraic-fractions-4.zip?format=api",
"source": "https://numbas.mathcentre.ac.uk/question/14/combining-algebraic-fractions-4.exam?format=api",
"metadata": {
"notes": "<p><strong>5/08/2012:</strong></p>\n <p>Added tags.</p>\n <p>Added description.</p>\n <p>Changed to two questions, for the numerator and denomimator, rather than one as difficult to trap student input for this example. Still some ambiguity however.</p>\n <p><strong>12/08/2012:</strong></p>\n <p>Back to one input of a fraction and trapped input in Forbidden Strings.</p>\n <p>Used the except feature of ranges to get non-degenerate examples.</p>\n <p>Checked calculation.OK.</p>\n <p>Improved display in content areas.</p>\n <p><strong>02/02/2013:</strong></p>\n <p>Added requirement that the numerator is input as a quadratic. This is following on from changing variable c so that the coefficient of $x^2$ is non zero.</p>\n <p>Checked calculations again. OK.</p>",
"description": "<p>Express $\\displaystyle \\frac{ax+b}{cx + d} \\pm \\frac{rx+s}{px + q}$ as an algebraic single fraction over a common denominator. </p>",
"licence": "Creative Commons Attribution 4.0 International"
},
"status": null,
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}