# Chapter 3 - Section 3.3 - Slope - Exercise Set: 33

neither

#### Work Step by Step

m=$\frac{y_2-y_1}{x_2-x_1}$ m=$\frac{-12-(-4}{-4-0}$ m=$\frac{-8}{-4}$ m=2 m=$\frac{y_2-y_1}{x_2-x_1}$ m=$\frac{-5-(-4)}{0-2}$ m=$\frac{-1}{-2}$ m=$\frac{1}{2}$ 2$\ne$$\frac{1}{2} 2\times$$\frac{1}{2}$$\ne$-1 Therefore these lines are neither parallel nor perpendicular.

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