Find the Slope of the Line Segment Connecting the Points $$\left( \frac { a } { 2 } , b \right) , \left( - 2 a , \frac { b } { 2 } \right)$$

Multiple Choice

Find the slope of the line segment connecting the points. Simplify. $$\left( \frac { a } { 2 } , b \right) , \left( - 2 a , \frac { b } { 2 } \right)$$

A) $- \frac { b } { 3 a }$
B) $- \frac { b } { 5 a }$
C) $- \frac { 5 a } { b }$
D) $\frac { b } { 5 a }$
E) $\frac { 3 a } { b }$