Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 8 - Radical Functions - 8.3 Multiplying and Dividing Radicals - 8.3 Exercises: 6

Answer

$20a$

Work Step by Step

Step 1: $\sqrt {8a}\times\sqrt {50a}$ Step 2: $\sqrt 8\times\sqrt a\times\sqrt {50}\times\sqrt a$ Step 3: $\sqrt 8\times\sqrt {50}\times\sqrt a\times\sqrt a$ Step 4: $\sqrt {8\times50}\times a$ Step 5: $\sqrt {400}\times a$ Step 6: $\sqrt {4\times100}\times a$ Step 7: $\sqrt 4\times\sqrt {100}\times a$ Step 8: $2\times10\times a$ Step 9: $20a$
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