Answer
$-\frac{1}{7}$
Work Step by Step
$-\sqrt \frac{1}{49}=-(\frac{1}{7})=-\frac{1}{7}$
We know that $\sqrt\frac{1}{49}=\frac{1}{7}$, because $(\frac{1}{7})^{2}=\frac{1}{49}$.
In this case, we are finding the opposite of $\sqrt\frac{1}{49}$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Review - Page 468: 5
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