Answer
m= -3
Work Step by Step
We can calculate the slope by $\frac{x_{2}-x_{1}}{y_{2}-y_{1}}$.
By substituting , we get $\frac{-6-3}{2-(-1)}= \frac{-9}{3}= -3$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 10 - Test - Page 492: 7a
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