// Numbas version: exam_results_page_options {"name": "Pattern matching - factorise an equation", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"showfrontpage": false, "allowregen": true, "preventleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"parts": [{"prompt": "

Factorise \$\\simplify{x^2+{a+b}x+{a*b}}\$

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The student is asked to factorise a quadratic \$x^2 + ax + b\$. A custom marking script uses pattern matching to ensure that the student's answer is of the form \$(x+a)(x+b)\$, \$(x+a)^2\$, or \$x(x+a)\$.

\n

To find the script, look in the Scripts tab of part a.

"}, "statement": "", "rulesets": {}, "contributors": [{"profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/", "name": "Christian Lawson-Perfect"}, {"profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/369/", "name": "Chris Graham"}], "tags": ["custom marking", "demo"], "advice": ""}]}], "contributors": [{"profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/", "name": "Christian Lawson-Perfect"}, {"profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/369/", "name": "Chris Graham"}]}