Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 3 - Section 3.6 - Graphing Linear Inequalities in Two Variables - Exercise Set: 40

Answer

d. $y \leq -3x$

Work Step by Step

The line that separates the shaded region and non-shaded region is $y=-3x$. With a given $x$ value, any $y$ value that's less than the $y$ value that's found through the equation $y=-3x$ is within the shaded region. Hence $y \leq -3x$.
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