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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
current23:01, 6 October 2023Thumbnail for version as of 23:01, 6 October 2023512 × 512 (6 KB)North by MidwestFix rendering issues in Chromium
00:36, 18 February 2021Thumbnail for version as of 00:36, 18 February 2021512 × 512 (6 KB)CmgleeTake out minus signs and lighten axes.
23:28, 17 February 2021Thumbnail for version as of 23:28, 17 February 2021512 × 512 (6 KB)CmgleeUse proper square root sign and increase spacing where needed
00:08, 28 September 2016Thumbnail for version as of 00:08, 28 September 2016512 × 512 (6 KB)CmgleeAlign labels and make background white.
23:58, 27 September 2016Thumbnail for version as of 23:58, 27 September 2016512 × 512 (6 KB)Cmglee{{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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