Answer
$\sqrt{5}$
Work Step by Step
$\dfrac{\sqrt{-40}}{\sqrt{-8}} = \sqrt{\dfrac{-40}{-8}} = \sqrt{5}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.7 - Complex Numbers - Exercise Set - Page 739: 18
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