Answer
There are two solutions, $ \pm \frac{3}{7}=0.4$
Work Step by Step
$49p^2-16=-7$
$49p^2=9$
$p^2=\frac{9}{49}$
$p=\pm \sqrt \frac{9}{49}$
$p=\pm \sqrt \frac{3}{7}$
There are two solutions, $ \pm \frac{3}{7} = 0.4$
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 565: 44
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