File:Quadratic function graph complex roots.svg

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English: Visualisation of the complex roots of y = ax² + bx + c where a is positive and the discriminant, b² - 4ac is negative, by CMG Lee. The parabola is rotated 180° about its vertex (yellow). Its roots are rotated 90° around their mid-point, and the plane is interpreted as the complex plane (green). The example shown has a = 1, b = -2 and c = 5.
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Author Cmglee

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Date/TimeThumbnailDimensionsUserComment
current18:50, 18 February 2021Thumbnail for version as of 18:50, 18 February 2021512 × 768 (7 KB)Cmglee (talk | contribs)Improve formatting and colours.
19:51, 8 October 2016Thumbnail for version as of 19:51, 8 October 2016512 × 768 (7 KB)Cmglee (talk | contribs)Shade complex number triangles.
17:37, 2 October 2016Thumbnail for version as of 17:37, 2 October 2016512 × 768 (7 KB)Cmglee (talk | contribs)Fix denominator.
22:10, 1 October 2016Thumbnail for version as of 22:10, 1 October 2016512 × 768 (6 KB)Cmglee (talk | contribs)Fix text alignment.
22:03, 1 October 2016Thumbnail for version as of 22:03, 1 October 2016512 × 768 (6 KB)Cmglee (talk | contribs){{Information |Description ={{en|1=Visualisation of the complex roots of ''y'' = ''ax''² + ''bx'' + ''c'' where ''a'' is positive and the discriminant, ''b''² - 4''ac'' is negative, by CMG Lee. The graph is rotated 180° about the vert...

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