College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Chapter 1 Review - Concept Check - Page 168: 9

Answer

i) $m_1=m_2$ ii)$m_1=-\frac{1}{m_2}$

Work Step by Step

If the lines are parallel, they would have the same slope. If they are perpendicular, they would be negative reciprocals of each other.
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