Midpoint of a line in quadrant 1: Find the midpoint of the line segment joining (1,4) and (5,3).
Using the definition of midpoint, the coordinates are
, or
.
Test Problem: Find the midpoint of the line segment joining (2,1) and (8,5).
a) (3,2)
b) (5,3)
c) (2,3)
d) (3,5)