Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - Test: Chapter 1 - Page 78: 1



Work Step by Step

Substituting $x$ with $10$ and $y$ with $5$, then the given expression, $ \dfrac{2x}{y} $, evaluates to \begin{array}{l}\require{cancel} \dfrac{2(10)}{5} \\\\= \dfrac{2(\cancel{5}\cdot2)}{\cancel{5}} \\\\= 4 .\end{array}
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