Answer
$\frac{37}{18}$
Work Step by Step
Evaluate each expression when x = 12, y=8, and z = 4:
$\frac{x^{2}+z}{y^{2}+2z}$
$\frac{12^{2}+4}{8^{2}+2(4)}$
$\frac{144+4}{64+2(4)}$
$\frac{144+4}{64+8}$
$\frac{148}{72}$ = $\frac{37}{18}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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 - Page 28: 65
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