# Chapter 5 - 5-3 Slope-Intercept Form - Standardized Test Prep - Page 312: 77

C, $\frac{2}{3}$

#### Work Step by Step

The slope equation is m=$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$, and it's given that $x_{1}$=-5, $x_{2}$=1, $y_{1}$=3, $y_{2}$=7 so m=$\frac{7-3}{1-(-5)}$=$\frac{4}{6}$=$\frac{2}{3}$ Therefore the answer is C

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