Find the Midpoint of the Line Segment with the Given $( 6 , - 9 )$

Multiple Choice

Find the midpoint of the line segment with the given endpoints.
- $( 6 , - 9 )$ and $( - 4,0 )$

A) $\left( 1 , - \frac { 9 } { 2 } \right)$
B) $\left( 5 , - \frac { 9 } { 2 } \right)$
C) $( 2 , - 9 )$
D) $( 10 , - 9 )$