Find the Slope of the Line Through $P ( - 4 , - 1 )$

Multiple Choice

Find the slope of the line through $P ( - 4 , - 1 )$ and $Q ( - 1 , - 19 )$ .

A) $\quad m = - 4$
B) $\quad m = - 7$
C) $\quad m = - 8$
D) $\quad m = - 6$
E) $\quad m = - 5$