Answer
$-\dfrac{3}{4}$
Work Step by Step
Recall, square roots cancel out exponents of two. Thus, we obtain:
$-\sqrt{\frac{9}{16}}\\\\=-\sqrt{\left(\dfrac{3}{4}\right)^2}
\\=-\dfrac{3}{4}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 7 - Section 7.1 - Radical Expressions and Functions - Exercise Set - Page 511: 9
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