Find the Slope of the Line $9 x + y = 5$

Multiple Choice

Find the slope of the line.
- $9 x + y = 5$

A) $m = - \frac { 1 } { 9 }$
B) $m = \frac { 9 } { 5 }$
C) $m = - 9$
D) $m = 9$