Question

A line segment on a number line has it's endpoints at -9 and 6. Find the coordinate of the midpoint of the segment.

A. 1.5
B. -1.5
C. 2
D. -3

Answer 1

The midpoint of AB where A(a) and B(b): (a + b)/2

(-9 + 6)/2 = -3/2 = -1.5

Answer: B. -1.5