Algebra 1

Published by Prentice Hall

Chapter 9 - Quadratic Functions and Equations - 9-2 Quadratic Functions - Mixed Review: 52

Answer

$-8$

Work Step by Step

$-\sqrt {64}$ According to the textbook, a number, $a$, is a square root of another number, $b$, if $a^2=b$. Since $8^2=64$, $8$ is a square root of $64$. Given this, we can deduce that: $-\sqrt {64}=-8$

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