This is how to find a slope:
y2 - y1 over like a fraction on
x2 - x1
So we would do
10 - 2 over
9 - 1
and you would get the slope of
8/8
This also equals one
The slope is 1
If you want to graph this it would rise 1 point in the y axis and run 1 points in the x axis
