Answer
$y=x^2-7x$
Work Step by Step
$(7,0)$ gives one $x$-intercept: $7$. Use the intercept form:
$$y=a(x-p)(x-q)$$
Substitute $p=7$ and let $q=0$ and $a=1$:
$$y=1(x-7)(x-0)$$ $$y=(x-7)(x)$$ $$y=x^2-7x$$
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 - Exercises - Page 456: 51
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