Question

Find the midpoint between two points on a number line if one of the points is at -7, and the other point is at 12.

A. 9.5
B. 5
C. -2
D. 2.5​

Answer 1

D

Explanation:

The midpoint is the average of the 2 endpoints, that is

midpoint =
`(-7+12)/(2)` =
`(5)/(2)` = 2.5 → D