Answer
$-10$.
Work Step by Step
The given expression is
$=-8-\sqrt{\frac{64}{16}}$
Divide.
$=-8-\sqrt{4}$
Use $4=2^2$.
$=-8-\sqrt{2^2}$
Evaluate the square root.
$=-8-2$
Add.
$=-10$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 10 - Radical Functions and Equations - Maintaining Mathematical Proficiency - Page 541: 2
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