Question

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

Answer 1

Subtract the first y-variable from the second y-variable and divide that by the first x-variable subtracted from the second x-variable.

Explanation:

`(-2-1)/(1--2)`=`(-2-1)/(1+2)`=`-3/3`=`-1`

The slope is `-1`.