Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.8 Graph Linear Inequalities in Two Variables - 2.8 Exercises - Skill Practice - Page 136: 31


See below.

Work Step by Step

Plugging in the given values into the inequality: $0.2(0.5)+0.7(-1)=-0.6\gt-1$, thus $(0.5,-1)$ is a solution. $0.2(-3)+0.7(-1.5)=-1.65\leq-1$, thus $(-3,-1.5)$ is not a solution.
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