Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.7 - Complex Numbers - Practice - Page 734: 7



Work Step by Step

Step 1: $\frac{\sqrt -8}{\sqrt 2}$ Step 2: $\sqrt \frac{-8}{2}$ Step 3: $\sqrt -4$ Step 4: $\sqrt -1\times\sqrt 4$ Step 5: As $\sqrt -1=i$, the expression becomes $i\sqrt 4$ Step 6: This can be simplified further to $2i$
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