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: 53

Answer

perpendicular

Work Step by Step

The equation x=8 graphs a vertical line. The equation y=9 graphs a horizontal line. Therefore these lines are perpendicular.
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