// Numbas version: exam_results_page_options {"name": "Graph of a quadratic function", "extensions": ["jsxgraph"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"advice": "", "parts": [{"matrix": ["if(a>0,1,0)", "if(a>0,0,1)"], "shuffleChoices": false, "prompt": "

The graph of this formula is:

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An upwards-opening parabola

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A downwards-opening parabola

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Fill in the table of values for $y=\\simplify[std]{{a}x^2+{c}}$:

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
$x$$-3$$-2$$-1$$0$$1$$2$$3$
$y$[[0]][[1]][[2]][[3]][[4]][[5]][[6]]
\n
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Give the coordinates of the turning point of the parabola: $\\bigg($[[0]]$, $ [[1]]$\\bigg)$

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Compute a table of values for a quadratic function. A JSXgraph plot shows the curve going through the entered values.

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You are given the quadratic formula

\n

$y=\\simplify[std]{{a}x^2+{c}}$

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