Big Ideas Math - Algebra 1, A Common Core Curriculum

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 - Chapter Review - Page 472: 28

Answer

$y=x^2-10x+24$

Work Step by Step

$(4,0)$ and $(6,0)$ give $x$-intercepts $4$ and $6$. Use the intercept form: $$y=a(x-p)(x-q)$$ Substitute $p=4$, $q=6$ and let $a=1$: $$y=1(x-4)(x-6)$$ $$y=x^2-10x+24$$
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