Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 7 - Section 7.1 - Radical Expressions and Graphs - 7.1 Exercises: 41

Answer

-.7

Work Step by Step

We know that $\sqrt .49=.7$, because $.7^{2}=.7\times.7=.49$. Therefore, $-\sqrt .49=-(.7)=-.7$.
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