Elementary Algebra

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



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.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.