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Inputting algebraic expressions into Numbas.
", "licence": "Creative Commons Attribution 4.0 International"}, "extensions": [], "variables": {"c": {"name": "c", "description": "", "definition": "s*random(1..9)", "group": "Ungrouped variables", "templateType": "anything"}, "b": {"name": "b", "description": "", "definition": "random(2..4)", "group": "Ungrouped variables", "templateType": "anything"}, "a": {"name": "a", "description": "", "definition": "random(2..9)", "group": "Ungrouped variables", "templateType": "anything"}, "d": {"name": "d", "description": "", "definition": "random(1..9)", "group": "Ungrouped variables", "templateType": "anything"}, "s": {"name": "s", "description": "", "definition": "random(1,-1)", "group": "Ungrouped variables", "templateType": "anything"}}, "name": "Hussam's copy of Hussam's copy of Hussam's copy of Hussam's copy of Hussam's copy of Hussam's copy of How to enter algebraic expressions - Getting Started", "rulesets": {}, "tags": [], "functions": {}, "parts": [{"showCorrectAnswer": true, "variableReplacements": [], "extendBaseMarkingAlgorithm": true, "prompt": "Inputting polynomials such as $3x^2+5x-2$ is easy : just input 10*x^2+5*x-2
.
Try this:
\nInput this polynomial: $\\simplify[all]{{a}*x^{b}+{c}*x+{d}}=\\;$[[0]]
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\nExpand the brackets and input the resulting expression:
\n$\\simplify[all]{(x+{a}y)(x+{c}y)}=\\;$[[0]]
\nMake sure that you input an expression in your answer such as $xy$ as x*y
.
(Do not include brackets in your answer.)
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", "strings": ["("], "showStrings": false, "partialCredit": 0}, "variableReplacementStrategy": "originalfirst", "type": "jme", "unitTests": [], "showFeedbackIcon": true, "scripts": {}}], "type": "gapfill", "unitTests": [], "showFeedbackIcon": true, "sortAnswers": false, "scripts": {}}], "statement": "In this example, we look at how you enter algebraic expressions - those involving symbols.
\nThe box next to your input shows what you've written in mathematical notation and is very important as you can check it against the expression you had in mind.
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