Question

What is the slope of the line passing through the following points: `(1,-1) , (-9,2)`?

Answer 1

`m=(y_2-y_1)/(x_2-x_1)=(2--1)/(-9-1)=3/-10`

Explanation:

Divide the change in y which is y2-y1 by the change in x i.e x2-x1 and then simplify