Determine the Slope of the Line Passing Through the Given $( 8 , - 1 )$

Multiple Choice

Determine the slope of the line passing through the given points.
- $( 8 , - 1 )$ and $( 10 , - 7 )$

A) $m = 3$
B) $m = - 3$
C) $m = - \frac { 1 } { 3 }$
D) $m = \frac { 1 } { 3 }$