Find the Slope of the Line Passing Through the Pair $( 8 , - 4 )$

Multiple Choice

Find the slope of the line passing through the pair of points or state that the slope is undefined.
- $( 8 , - 4 )$ and $( - 5 , - 4 )$

A) undefined
B) $\frac { 8 } { 13 }$
C) $- \frac { 8 } { 3 }$
D) 0