Answer
a.$\frac{1}{3}$
b.$5$
Work Step by Step
$x=1$
$y=-4$
a.$\frac{x-y}{14+x}$
Substitute and then simplify.
$\frac{1-(-4)}{14+1}=\frac{5}{15}=\frac{1}{3}$
b.Do likewise for part b.
$x^{2}-y$
$1^{2}-(-4)=1+4=5$
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 1.5 - Subtracting Real Numbers - Practice - Page 42: 8
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