Algebra 1

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

Chapter 4 - An Introduction to Functions - 4-1 Using Graphs to Relate Two Quantities - Standardized Test Prep - Page 239: 22



Work Step by Step

$-2x\lt4\longrightarrow$ divide each side by -2; reverse the inequality sign. $-2x\div-2\gt4\div-2\longrightarrow$ divide $x\gt-2$ Try to use mental math to answer more quickly.
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