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 - Concept and Vocabulary Check - Page 592: 2



Work Step by Step

According to the square root property, if $u^2=d$, then $u=\pm\sqrt{d}$ Hence here if $x^2=7$, then $x=\pm\sqrt7$.
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