Find the Slope of the Line $3 \mathrm{x}-4 \mathrm{y}=21$ A) $\frac{4}{3}$ B) $-\frac{3}{4}$

Multiple Choice

Find the slope of the line.
- $3 \mathrm{x}-4 \mathrm{y}=21$

A) $\frac{4}{3}$
B) $-\frac{3}{4}$
C) $-\frac{4}{3}$
D) $\frac{3}{4}$