CPM Homework Help : GC Problem 2-40

First quadrant graph with points at (1, comma 1), (3, comma 3), (7, comma 3) and (5, comma 1). Connect the points with lines to form the parallelogram. The diagram at right represents only half of a shape that has the graph of $y=1$ as a line of symmetry. Draw the completed shape on your paper, and label the coordinates of the missing vertices.

Complete the table in the eTool to finish the shape.
Click the link at right for the full version of the eTool: 2-40 HW eTool