Answer
False
Work Step by Step
We start with the given equation: $x^2=-16$
We take the square root of both sides to cancel out the exponent. $\sqrt {x^2}=\sqrt {-16}$. Since $\sqrt {-16}$ is an imaginary number, not $-4$, the statement is false.
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.2 - Factoring the Difference of Two Squares - Concept Quiz 6.2 - Page 247: 6
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