# How do you find the slope for E(3,2), F(3,-1)?

Use the formula: To find the slope of a line joining $\left({x}_{1} , {y}_{1}\right) , \left({x}_{2} , {y}_{2}\right)$
m(slope)=$\tan \theta = \frac{{y}_{2} - {y}_{1}}{{x}_{2} - {x}_{1}}$
so, $m = \frac{- 1 - 2}{3 - 3} = \infty$