#### Answer

$\frac{a}{b}$

#### Work Step by Step

As we know that the perpendicular lines is equal to m1m2=-1
we know m=$\frac{b-0}{0-a}$ = $\frac{-b}{a}$
therefore $\frac{-b}{a}$*m2 = -1
m2=$\frac{a}{b}$

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Published by
Brooks Cole

ISBN 10:
9781285195698

ISBN 13:
978-1-28519-569-8

$\frac{a}{b}$

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