Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set: 26

Answer

-7, $\frac{1}{7}$

Work Step by Step

The opposite of a number a is equal to -a (which is just the negative of a). The reciprocal of a number a is equal to $\frac{1}{a}$. We are given that $a=7$. Opposite: $-a=-(7)=-7$ Reciprocal: $\frac{1}{a}=\frac{1}{7}$
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