Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - 5-6 Parallel and Perpendicular Lines - Practice and Problem-Solving Exercises: 30

Answer

Never

Work Step by Step

When determining if lines are parallel or perpendicular, the y-intercept will never matter. Also, lines are parallel when the two slopes are the same. Thus, lines with the same slope will always be parallel.
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