Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - Chapter Review - Page 354: 6


The slope of points (2,2) and (3,1) is -1.

Work Step by Step

The slope equation is $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$. When you plug in 2 for $y_{2}$ and 1 in for $y_{1}$, you get 1. When you plug in 2 for $y_{2}$ and 3 in for $y_{1}$, you get -1. So, the fraction would be $\frac{1}{-1}$ which equals -1.
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