Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 1 - Linear Functions - Chapter Review - Review Exercises - Page 40: 16



Work Step by Step

The slope $m$ of a line is given by $$m=\frac{y_2-y_1}{x_2-x_1}$$ where $(x_1,y_1)$ and $(x_2,y_2)$ are two different points on the line and $x_1\neq x_2$. For a line through the points $(4,-1)$ and $(3,-3)$ $$m=\frac{-3-(-1)}{3-4}=\frac{-2}{-1}=2$$
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