College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 1 - Section 1.3 - Complex Numbers - 1.3 Exercises: 33

Answer

$\frac{1}{2}$

Work Step by Step

Divide the inside of each radical with one radical over both of them. $\sqrt{\frac{-10}{-40}}$ Simplify. $\sqrt{\frac{-10}{-40}}=\sqrt{\frac{1}{4}}$ Pull the negative inside the radical into an imaginary number outside of the radical. $\sqrt{\frac{1}{4}}=\frac{1}{2}$
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