## Algebra: A Combined Approach (4th Edition)

Published by Pearson

# Chapter 3 - Section 3.4 - Slope and Rate of Change - Exercise Set - Page 237: 28

0

#### Work Step by Step

y=-2 is a horizontal line with y-intercept -2. Find pair solutions of y=-2 We let (x1,y1)=(0,-2) and (x2,y2)=(1,-2) m=$\frac{(-2)-(-2)}{1-0}$=$\frac{0}{1}$=0 The slope of line y=-2 is 0

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