# Chapter 3 - Cumulative Review: 44

3

#### Work Step by Step

When we know two points on a given line, we can use the slope formula to calculate the slope of the line. $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ Point 1: (-1,6) Point 2: (0,9) $m=\frac{9-6}{0-(-1)}=\frac{3}{1}=3$

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