Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 9 - Cumulative Review Exercises - Page 686: 38

Answer

The slope is $-2$.

Work Step by Step

To find the slope of a line, we use the formula: $$m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$$ We have two points that we can plug in for $x$ and $y$ in the formula. $$\frac{-3 - 3}{2 - (-1)}$$ Simplify by adding or subtracting what is in parentheses: $$\frac{-6}{3}$$ Divide to simplify: $$m = -2$$
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