First, we have to find the slope with the formula below.
[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]
Let's replace the points (0, -1) and (2, 0).
[tex]m=\frac{0-(-1)}{2-0}=\frac{1}{2}[/tex]
Once we have the slope, we use the slope-intercept formula to find the equation.
[tex]y=mx+b[/tex]
Where m = 1/2, and b = -1.
[tex]y=\frac{1}{2}x-1[/tex]
Hence, the answer is the third choice.
