File:Quadratic function graph key values.svg

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Description
English: Graph of y = ax² + bx + c having real roots and positive a with key points labellled by CMG Lee. Roots and y-intercept are in red, turning point and axis of symmetry are in blue, and focus and directrix are in pink. Values are given in terms of the discriminant, b² - 4ac. The example shown has a = 1, b = -2 and c = -3.
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Author Cmglee

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Date/TimeThumbnailDimensionsUserComment
current00:08, 28 September 2016Thumbnail for version as of 00:08, 28 September 2016512 × 512 (6 KB)Cmglee (talk | contribs)Align labels and make background white.
23:58, 27 September 2016Thumbnail for version as of 23:58, 27 September 2016512 × 512 (6 KB)Cmglee (talk | contribs){{Information |Description ={{en|1=Graph of ''y'' = ''ax''² + ''bx'' + ''c'' having real roots and positive ''a'' with key points labellled by CMG Lee. Roots and y-intercept are in red, turning point and axis of symmetry are in purple, and focu...
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