What shape have you created?
The shape has four sides and only one pair of parallel sides.
What point can you move to create a rectangle? What would be the new coordinate?
Move only one point to a coordinate that would make the shape a rectangle.
Reflect trapezoid ABCD across the y-axis. What are the new coordinate points of the trapezoids vertices?
Explore the problem with the eTool below.
Click the link at right for the full version of the eTool: MC2 5-25 HW eTool