Plot the points A(-1,3), B(4, -8), C(7, 1) on the coordinate axes below. State the coordinates of point D such that A, B, C, and D would form a parallelogram. (Plotting point D is optional.) Click on the graph to plot a point. Click a point to delete it. and 12 11 10 -12-11-10-9 -8 -7 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 7 8 9 10 11 12 D = Submit