The slope intercept form is y=1/2+5.
This is because you will use the slope intercept form: y=Mx+b.
Now you just plug in m and your points to find b.
4=1/2 * -2 +b
4=-1 +b
b=5.
So you just put m and b back into the equation, and you get:
y=1/2x + 5.
Hope this helps!