Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - 10-2 Simplifying Radicals - Practice and Problem-Solving Exercises: 10

Answer

15

Work Step by Step

$\sqrt {225}$$\longrightarrow$ factor out perfect squares $=\sqrt {25\times9}$ $\longrightarrow$use the multiplication property of squre roots $=\sqrt {25}\times\sqrt 9$$\longrightarrow$simplify $=5\times3$$\longrightarrow$multiply $=15$
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