Quadratic function: Difference between revisions

Revision as of 16:19, 26 June 2025

Latest revision as of 07:19, 20 July 2025

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\end{align}</math>

so the vertex, {{math|(''h'', ''k'')}}, of the parabola in standard form is

: <math> \left(-\frac{b}{2a}, c - \frac{b^2}{4a}\right). </math><ref>{{Citationcite neededbook|datetitle=OctoberCo-ordinate 2022Geometry|first=Percy|last=Coleman|publisher=Oxford University Press|year=1914|page=[https://books.google.com/books?id=TJU5AQAAMAAJ&pg=PA137 137]}}</ref>

If the quadratic function is in factored form

:<math>f(x) = a(x - r_1)(x - r_2)</math>