CraigsMaths

Mathematics Teaching for Learning

Posts Tagged ‘complete the square’

Quadratic general to standard form

Wednesday, August 6th, 2008

When solving quadratic equations and sketching parabolas you can get the required points onto your graph very quickly if you know how to convert from the general form of y=ax^{2}+bx+c to the standard form of y=a\left(x-h\right)^{2}+k. (See Standard Quadratic Form for the reasons why.) This article explains how to complete the square to acheive this.

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