1.) Plug the points into the formula Y2-Y1/X2-X1. This should come out to be 20-8/4- -2. The 4 minus -2 turns into 4+2 because a double negative turns into a positive.
2.) You’ll then have 12/6. Divide it out and you get 2/1 or 2.
Answer: Slope is 2/1 or 2