[color=#ff00ff][b]Directions:[br][/b][/color][br]1) Click the "Generate New Slope" button.[br]2) Determine the slope of the line.[br]3) Enter this slope as a ratio in the white text-box provided. [br]4) [color=#ff00ff][b]If you enter a correct ratio, you'll see a big "Correct!" sign appear. [/b][/color] [br]5) [color=#0000ff][b]Repeat steps (1) - (4) as many times as you need in order to master this concept! [/b][/color]