Find the slope of the line (if it exists) and the y-intercept (if it exists).
-$$3 y = 21$$
A) Slope $0 ; y$-intercept $( 7,0 )$
B) Slope undefined; $\mathrm { y }$-intercept $( 7,0 )$
C) Slope undefined; $\mathrm { y }$-intercept $( 0,7 )$
D) Slope $0 ; y$-intercept $( 0,7 )$

Question

Quizplus · Accepted Answer

The equation $3y = 21$ simplifies to $y = 7$, which is a horizontal line with a slope of $0$ and a y-intercept at $(0,7)$.

Find the Slope of the Line (If It Exists) and the Y-Intercept