[tex]\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{-8})\qquad
(\stackrel{x_2}{4}~,~\stackrel{y_2}{6})
\\\\\\
% slope = m
slope = m\implies
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{6-(-8)}{4-(-3)}\implies \cfrac{6+8}{4+3}\implies \cfrac{14}{7}\implies 2[/tex]