Answer
$y=0.5x+1$
Work Step by Step
The line crosses the y-axis at $y=1$ so $b=1$.
Thus, our equation is $y=mx+1.$
Use the point $(-2,0)$ to substitute into the equation to obtain:
$y=mx+1\\0=m(-2)+1\\−1=-2m\\0.5=m$
Thus the equation is: $y=0.5x+1$