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 - Quiz for Lessons 2.7-2.8 - Page 138: 9

Answer

See the graph

Work Step by Step

Given: $2x-5y \geq 10$ $5y \leq 2x-10 $ $y \leq \frac{2}{5}x-2$ The y-intercept is $-2$. Plot a point $(0,-2)$. Substitute $0$ for y to find another point: $0=\frac{2}{5}x-2$ $\frac{2}{5}x=2$ $x=5$ Plot another point $\rightarrow ({5},0)$. The values for y are in the green area.
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