Answer
-4
Work Step by Step
We calculate the slope using the points (3,-2) and (1,6):
$slope=m=\displaystyle \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$
$=\displaystyle \frac{6-(-2)}{1-3}$
$=\displaystyle \frac{8}{-2}$
$=-4$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 3 - Section 3.6 - Mathematical Models: Building Functions - 3.6 Assess Your Understanding - Page 266: 29
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