College Algebra (10th Edition)

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



Work Step by Step

We calculate the slope using the points (3,-2) and (1,6): $slope=m=\displaystyle \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ $=\displaystyle \frac{6-(-2)}{1-3}$ $=\displaystyle \frac{8}{-2}$ $=-4$
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