[tex]\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{-7})\qquad (\stackrel{x_2}{6}~,~\stackrel{y_2}{5}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{5}-\stackrel{y1}{(-7)}}}{\underset{run} {\underset{x_2}{6}-\underset{x_1}{3}}}\implies \cfrac{5+7}{3}\implies \cfrac{12}{3}\implies 4[/tex]
