Directions:[br][br]1. Use the app below to plot 6 different points.  To plot a point chose the point tool. Plot a point in each quadrant and then one of each axis.[br][br]2. Next use the rotate tool to rotate each of your 6 points 180 degree about the origin.  [br][br]3. On some scratch paper, write the coordinates of each pre-image and its image.  Compare each pre-image to its image and [u][b]identify a common rule[/b][/u] that would move the points in the same way. [br][br]4. Write your rule in the space below.[br][br]