#### Answer

$m_{1}$=$-\frac{3}{2}$

#### Work Step by Step

The slope of perpendicular lines are the negative reciprocals of each other. So $\frac{2}{3}\times m_{1} = -1$
Therefore $m_{1}$=$-\frac{3}{2}$

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Published by
Cengage

ISBN 10:
978-1-337-61408-5

ISBN 13:
978-1-33761-408-5

$m_{1}$=$-\frac{3}{2}$

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