Answer
$a=1, b=-7$ and $c=0$
Work Step by Step
Given : $x^{2}=7x$
Subtracting $7x$ from both sides,
$x^{2}-7x=7x-7x$
This can be written as $x^{2}-7x+0=0$
Comparing $x^{2}-7x+0=0$ with $ax^{2}+bx+c$, we get
$a=1, b=-7$ and $c=0$
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 9 - Solving Quadratic Equations - 9.5 - Solving Quadratic Equations Using the Quadratic Formula - Exercises - Page 521: 3
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