How it works ?
1) On a separate sheet of paper, determine the slope of the line that passes through the given points.
2) Enter this slope as a ratio in the text-box provided.
3) If you enter in a correct ratio, a big “Correct!” sign will appear.
4) Click on the “New Problem” button to generate a new problem.
5) Repeat steps (1) – (4) as many times as you need in order to master this concept!