Answer
neither
Work Step by Step
m=$\frac{y_2-y_1}{x_2-x_1}$
m=$\frac{-11-(-5)}{-1-0}$
m=$\frac{-6}{-1}$
m=6
m=$\frac{y_2-y_1}{x_2-x_1}$
m=$\frac{-8-(-6)}{0-12}$
m=$\frac{-2}{-12}$
m=$\frac{1}{6}$
6$\ne$$\frac{1}{6}$
6$\times$$\frac{1}{6}$$\ne$-1
Therefore these lines are neither parallel nor perpendicular.