# How do you find the slope of (1,2) and (-2,4)?

It is $- \frac{2}{3}$
$m = \frac{{y}_{2} - {y}_{1}}{{x}_{2} - {x}_{1}} \implies m = \frac{4 - 2}{- 2 - 1} = \frac{2}{-} 3 = - \frac{2}{3}$