Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint.

Problem

Point start color blue, A, end color blue is at start color blue, left parenthesis, minus, 3, comma, minus, 5, right parenthesis, end color blue and point start color green, B, end color green is at start color green, left parenthesis, 1, comma, minus, 9, right parenthesis, end color green.
What is the midpoint of line segment start overline, A, B, end overline?
left parenthesis
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
,
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, p, i or 2, slash, 3, space, p, i
right parenthesis