1) On a separate sheet of paper, determine the slope of the line that passes through the given points.[br]2) Enter this slope as a ratio in the text-box provided.[br]3) [color=#ff00ff][b]If you enter in a correct ratio, a big "Correct!" sign will appear.[/b][/color][br]4) Click on the "New Problem" button to generate a new problem.[br]5) [b][color=#ff0000]Repeat steps (1) - (4) till you get 20 correct answers in a row![/color][/b]