Answer
$y=x^2-16x+72$
Work Step by Step
The vertex form of a quadratic equation is::
$$y=a(x-h)^2+k$$
Substitute $(h,k)=(8,8)$ and let $a=1$:
$$y=1(x-8)^2+8$$ $$y=x^2-16x+64+8$$ $$y=x^2-16x+72$$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 8 - Graphing Quadratic Functions - 8.5 - Using Intercept Form - Monitoring Progress - Page 453: 10
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