Find the Slope of the Line Passing Through the Pair $( - 6 , - 3 ) , ( 1 , - 8 )$

Multiple Choice

Find the slope of the line passing through the pair of points or state that the slope is undefined.
- $( - 6 , - 3 ) , ( 1 , - 8 )$

A) $- \frac { 7 } { 5 }$
B) $- 3$
C) $- \frac { 5 } { 7 }$
D) $- \frac { 1 } { 3 }$