Answer
$q= \pm 2$
Work Step by Step
$5q^2-20=0$
$5q^2=20$
$q^2=4$
$q=\pm \sqrt 4$
$q = \pm 2$
There are two solutions, $ \pm 2$.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 564: 27
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