Answer
$b=0$ and $c=-4$
Work Step by Step
Given $ax^{2}+bx+c=0$ and $7x^{2}-4=0$, we can rewrite the equation from the problem as $7x^{2}+0x+(-4)=0$. Therefore, $a=7$, $b=0$, and $c=-4$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Section 8.2 - Solving Quadratic Equations by the Quadratic Formula - Vocabulary, Readiness & Video Check - Page 491: 4
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