The x distance from the end to the middle is 2 units, so the x distance from the middle to the other end will be 2 more units. The x value of the other end point is 4.

The y distance from the end to the middle is -8 units, so the y distance from the middle to the other end will be -8 more units. The y value of the other end is -16.

The y distance from the end to the middle is -8 units, so the y distance from the middle to the other end will be -8 more units. The y value of the other end is -16.