Question

What is the slope of the line that contains these points? X: -7 -6 -5 -4Y: 21 17 13 9

Answer 1

Apply the slope formula:

`m=\text{ }(y2-y1)/(x2-x1)`

Where:

(x1,y1) = (-7,21)

(y1,y2) = ( -6,17)

Replacing:

`m=(17-21)/(-6-(-7))=(17-21)/(-6+7)=(-4)/(1)=-4`

slope = -4