Find the Midpoint of the Line Segment Joining the Points $\left( \frac { 3 } { 2 } , - 6 \right)$

Multiple Choice

Find the midpoint of the line segment joining the points A and B.
-A = (5, -9) ; B = (-2, -3)

A) $\left( \frac { 3 } { 2 } , - 6 \right)$
B) $\left( \frac { 7 } { 2 } , - 3 \right)$
C) $( 3 , - 12 )$
D) $( 7 , - 6 )$