Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 3 - Solving Inequalities - 3-3 Solving Inequalities Using Multiplication or Division - Practice and Problem-Solving Exercises - Page 181: 7



Work Step by Step

$\frac{x}{5}\geq-2$ $\frac{x}{5}\times5\geq-2\times5$ $x\geq-10$ Check that -10 is a solution at the endpoint. $\frac{-10}{5}=-2$ $-2=-2\checkmark$ Check that a number greater than -10 is a solution. $\frac{15}{5}\geq-2$ $3\geq-2\checkmark$
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