Quadratic in Vertex Form (or Turning Point Form)

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Expressing a quadratic in vertex form (or turning point form) lets you see it as a dilation and/or translation of . A quadratic in standard form can be expressed in vertex form by completing the square.

Contributed by: Rod Bate (December 2011)
Based on a program by: Stephen Wolfram
Open content licensed under CC BY-NC-SA



Based on Stephen Wolfram's Demonstration "Annotated Quadratic Polynomial".


[1] Wikipedia. "Quadratic Function." (Nov 28, 2011) en.wikipedia.org/wiki/Quadratic_function.

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