<u>y₂</u><u> </u><u>- y₁</u> used to find the slope<u> </u>x₂ - x₁ <u> </u>plug in the coordinates <u>10-8</u> = <u>2</u> all equals -1/2 -2-2 = -4 m=-1/2 <u> </u>plug one of the coordinates and the slope into y=mx+b, and solve <u />8=-1/2(2)+b 8=-1+b 9=b