Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 7 - Test - Page 578: 25


$5i \sqrt 3$

Work Step by Step

Solve $\sqrt{-75}$ Since, $i^2=-1$ and $\sqrt {-1}=i$ Thus, $\sqrt{-75}=\sqrt {-1} \sqrt {25} \sqrt 3$ Hence, $\sqrt{-75}=5i \sqrt 3$
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