Answer
$5i\sqrt 2$
Work Step by Step
$\sqrt {-50}=\sqrt {-1\times25\times2}=\sqrt {-1}\times\sqrt {25}\times\sqrt 2=5i\sqrt 2$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 8 - Section 8.1 - Complex Numbers - 8.1 Problem Set - Page 427: 103
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