Question

Find the slope of the line passing through the points $G(-4,5)$ and $H(-2,1)$

Answer 1

$G\equiv (-4,5)=(x_1,y_1)$
and $H\equiv (-2,1)=(x_2,y_2)$
Then, Slope of line $GH=\frac{y_1-y_2}{x_1-x_2}$
$=\frac{5-1}{-4+2}=\frac{4}{-2}$
$=-2$