Okay so the formula for slope is y2-y1 over x2-x1. Plug in your points (x1, y1) (x2,y2) . Usually the first point is your x1 and y1 . -2-4 over 0-3. You get -6/-3 which you can then simplify to -2/-1. Remember that two negatives make a positive so your answer will be 2.