Find the slope and y-intercept of the equation of the line. $$y = - 2 x - 9$$
A) slope: $- \frac { 1 } { 2 } ; y$-intercept: $- 9$
B) slope: $- \frac { 1 } { 9 } ; y$-intercept: $- 2$
C) slope: $- 2 ; y$-intercept: $- 9$
D) slope: $- 9 ; y$-intercept: $- 2$
E) slope: $- 2 ; y$-intercept: 9

Question

Quizplus · Accepted Answer

The slope-intercept form of a line is $y=mx+b$, where $m$ is the slope and $b$ is the $y$-intercept. Comparing the given equation to this form, we see that the slope is $-2$ and the $y$-intercept is $-9$. Therefore, the answer is (C).

Find the Slope and Y-Intercept of the Equation of the Line