What is the midpoint of the segment joining (12, 2) and (-5, -7)

Answer 1

The formula for the midpoint is (x₁+x₂)/2,(y₁+y₂)/2 Plugging in your points

(12+-5)/2,(2+-7)/2 the midpoint is (7/2,-5/2)

Answer 2

(3.5,-2.5) is the midpoint

the midpoint coordinates are the average of the endpoint coordinates