Question

RT has the endpoints (0, 2) and (4, 2). What is its midpoint?

(4, 3)
(2, 2)
(1, 1)
(1, 3)

Answer 1

R=(0,2), T=(4,2)
vector:
v=(4-0,2-2)=(4,0)
v/2=(2,0)

(0,2)+v/2=(2,2)

so (2,2) is the midpoint

Answer 2

I used the midpoint formula.

Hopefully this helped.