One side of a parallelogram has endpoints (3, 3) and (1, 7).

Question

What are the endpoints for the side opposite?

(8, 1) and (6, 7)
(6, 1) and (2, 3)
(6, 1) and (8, 5)
(8, 1) and (6, 5)

Answer 1

look at the change in x and y

x changes by -2, y changes by +4

the only choice that does the same is

(8, 1) and (6, 5)