Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.1 - The Square Root Property and Completing the Square - Exercise Set - Page 592: 5


$x=\pm \dfrac{5}{4}$ or, $x=+\dfrac{5}{4},-\dfrac{5}{4}$

Work Step by Step

Given: $16x^2=25$ This can be written as: $x^2=\dfrac{25}{16}$ or, $x^2=\dfrac{25}{16}$ Apply The Square Root Property. $x=\sqrt{\dfrac{25}{16}}$ Hence, $x=\pm \dfrac{5}{4}$ or, $x=+\dfrac{5}{4},-\dfrac{5}{4}$
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