Algebra: A Combined Approach (4th Edition)

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

Chapter 7 - Vocabulary Check: 6

Answer

$reciprocals$.

Work Step by Step

Given any nonzero number/expression, the reciprocal of that number/expression is 1 over that number/expression. Reciprocal of $\frac{2x}{7}$ = $\frac{1}{\frac{2x}{7}}$. $\frac{1}{\frac{2x}{7}}$ = 1 $\div$ $\frac{2x}{7}$ = 1 $\times$ $\frac{7}{2x}$ = $\frac{7}{2x}$ .
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