Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.5 Finding Equations of Lines - 1.5 Exercises - Page 77: 57



Work Step by Step

5x+y=7 y=-5x+7 2y=10x-9 y=5x-$\frac{9}{2}$ The slopes of these two lines are -5 and 5. These are neither equal nor opposite reciprocals of each other. Therefore, these two lines are neither parallel nor perpendicular.
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