College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 2 - Functions and Graphs - Exercise Set 2.3 - Page 255: 7

Answer

$-5$; the line falls

Work Step by Step

Simply apply the points to the slope formula and then simplify. Since the answer is negative, the line falls. $(-2,4)$ and $(-1,-1)$ $\frac{y_2-y_1}{x_2-x_1}$ $\frac{-1-4}{-1+2}$ $\frac{-5}{1}$ $-5$
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