Question

find the slope of the line through each pair of points (-19,12 ) , (-9, 1)

Answer 1

We have the following:

The slope has the following formula

$m=\frac{y_2-y_1}{x_2-x_1}$

replacing:

$m=\frac{1-12}{-9-(-19)}=\frac{-11}{-9+19}=\frac{-11}{10}=-1.1$

The slope is - 1.1