Question

Select the correct answer.

On a number line, point S is at -2, and point T is at 7. Point R is the midpoint of
ST
¯
. Where does point R lie on the number line?

A.
-2.5
B.
4.5
C.
-4.5
D.
2.5

Answer 1

2.5

Explanation:

Answer 2

D

Explanation:

to find the midpoint of ST , calculate the average of the 2 values

R = (- 2 + 7) ÷ 2 = 5 ÷ 2 = 2.5