Calculus 10th Edition

Published by Brooks Cole
ISBN 10: 1-28505-709-0
ISBN 13: 978-1-28505-709-5

Chapter P - P.2 - Linear Models and Rates of Change - Exercises - Page 18: 94

Answer

False.

Work Step by Step

If two non-vertical lines are perpendicular to each other then their slopes will be negative reciprocals of each other. i.e. m1 = -$\frac{1}{m2}$ So, if one line has positive slope then the other line must have negative slope.
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