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: 42

Answer

$x+y \ge 13$

Work Step by Step

The sum of the coordinates is represented by $x+y$. Since the sum must be 13 or higher, then the inequality whose solutions are the points whose coordinates's sum is at lest 13 is: $x+y \ge 13$
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