## College Algebra 7th Edition

Published by Brooks Cole

# Chapter P, Prerequisites - Chapter P Review - Exercises: 101

False.

#### Work Step by Step

This is false for negative numbers. For example, if we use $a=-1$, we get: Left side: $\sqrt{a^{2}}=\sqrt{(-1)^{2}}=\sqrt{1}=1$ Right side: $a=-1$ And the sides do not equal.

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