The question is on the picture below.

Answer: [tex]y=-\frac{1}{2}x-3[/tex]
Step-by-step explanation:
The slope of the line is
[tex]\frac{-4-(-3)}{2-0}=\frac{-1}{2}[/tex]
The y-intercept is (0,-3), meaning the equation is [tex]y=-\frac{1}{2}x-3[/tex]