Question

If a line crosses the y-axis at (0,-4) and has the slope of -2 what is the equation of the line?
A. 2x-y= -4
B. 2x + y = 4
C. 2x + y = 4
D. 2x-y = 4

Answer 1

\(\large \begin{array}{llll}
y = &{\color{green}{ m}}x&+{\color{blue}{ b}}\\
&\uparrow &\quad \uparrow \\
&{\color{green}{ slope}}&{\color{blue}{ y-intercept}}
\end{array}\)

Answer 2

Your answer is either A or D

Answer 3

Now just graph both and see which one is correct