[tex](\stackrel{x_1}{1}~,~\stackrel{y_1}{-3})\qquad (\stackrel{x_2}{-5}~,~\stackrel{y_2}{-4}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-4}-\stackrel{y1}{(-3)}}}{\underset{run} {\underset{x_2}{-5}-\underset{x_1}{1}}}\implies \cfrac{-4+3}{-6}\implies \cfrac{-1}{-6}\implies \cfrac{1}{6}[/tex]
