Slope is equal to the change in <em>y</em> over the change in <em>x</em>, or rise over run.
m= change in y/ change in x
The change in x is equal to the difference in x-coordinates (also called run), and the change in y is equal to the difference in y-coordinates (also called rise).
m
=
y
2
−
y
1/
x
2
−
x
1
Substitute in the values of x and y into the equation to find the slope.