Find the midpoint of each segment with the given endpoints. See Example 6. (C) 55. (-8,4) and (-2,-6) 56. (5,2) and (-1,8) 57. (3,-6) and (6,3) 58. (-10,4) and (7,1) 59. (-9,3) and (9,8) 60. (4,-3) and (-1,3) 61. (2.5,3.1) and (1.7,-1.3) 62. (6.2,5.8) and (1.4,-0.6) 63. ((1)/(2),(1)/(3)) and ((3)/(2),(5)/(3)) 64. ((21)/(4),(2)/(5)) and ((7)/(4),(3)/(5)) 65. (-(1)/(3),(2)/(7)) (-(1)/(2),(1)/(14)) 66. ((3)/(5),-(1)/(3)) and ((1)/(2),-(7)/(2))

55. The midpoint of the segment with endpoints $(-8,4)$ and $(-2,-6)$ is $\left(-5,-1\right)$.<br />56. The midpoint of the segment with endpoints $(5,2)$ and $(-1,8)$ is $(2,5)$.<br />57. The midpoint of the segment with endpoints $(3,-6)$ and $(6,3)$ is $(4.5,-1.5)$.<br />58. The midpoint of the segment with endpoints $(-10,4)$ and $(7,1)$ is $(-1.5,2.5)$.<br />59. The midpoint of the segment with endpoints $(-9,3)$ and $(9,8)$ is $(0,5.5)$.<br />60. The midpoint of the segment with endpoints $(4,-3)$ and $(-1,3)$ is $(1.5,0)$.<br />61. The midpoint of the segment with endpoints $(2.5,3.1)$ and $(1.7,-1.3)$ is $(2.1,0.9)$.<br />62. The midpoint of the segment with endpoints $(6.2,5.8)$ and $(1.4,-0.6)$ is $(3.8,2.6)$.<br />63. The midpoint of the segment with endpoints $(\frac {1}{2},\frac {1}{3})$ and $(\frac {3}{2},\frac {5}{3})$ is $(1.25,0.89)$.<br />64. The midpoint of the segment with endpoints $(\frac {21}{4},\frac {2}{5})$ and $(\frac {7}{4},\frac {3}{5})$ is $(7/4,1/5)$.<br />65. The midpoint of the segment with endpoints $(-\frac {1}{3},\frac {2}{7})$ and $(-\frac {1}{2},\frac {1}{14})$ is $(-0.21,0.07)$.<br />66. The midpoint of the segment with endpoints $(\frac {3}{5},-\frac {1}{3})$ and $(\frac {1}{2},-\frac {7}{2})$ is $(0.7,-1.17)$.