Answer
$a=-2, b=-5$ and $c=1$
Work Step by Step
Given : $-2x^{2}+1=5x$
Subtracting $5x$ from both sides, we obtain
$-2x^{2}-5x+1=5x-5x$
Or $-2x^{2}-5x+1=0$
Comparing $-2x^{2}-5x+1=0$ with $ax^{2}+bx+c$, we get
$a=-2, b=-5$ and $c=1$
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: 5
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