Algebra: A Combined Approach (4th Edition)

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

Chapter 1 - Section 1.3 - Exponents, Order of Operations, and Variable Expressions - Exercise Set: 65

Answer

$\frac{37}{18}$

Work Step by Step

Evaluate each expression when x = 12, y=8, and z = 4: $\frac{x^{2}+z}{y^{2}+2z}$ $\frac{12^{2}+4}{8^{2}+2(4)}$ $\frac{144+4}{64+2(4)}$ $\frac{144+4}{64+8}$ $\frac{148}{72}$ = $\frac{37}{18}$
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