Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 3 - Introduction to Graphing - 3.5 Slope - 3.5 Exercise Set: 27

Answer

slope = $-1$

Work Step by Step

slope = $\dfrac{y_2-y_1}{x_2-x_1}$ where $(x_1, y_1)$ and $(x_2, y_2)$ are the coordinates of the two points on the line. Use the points on the line $(0, 2)$ and $(2, 0)$ to obtain: slope = $\dfrac{0-2}{2-0}=\dfrac{-2}{2}=-1$
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