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: 24

Answer

$-4i\sqrt{5}$

Work Step by Step

The -1 inside the radical is changed to an $i$ outside the radical. $-\sqrt{-80}=-4i\sqrt{5}$
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