Question 45876
Use y=mx+b, where:
y = any y value on the line
m = (given) the slope of the line = (1/2) 
x = any corresponding x value on the line
b = (given)the y-intercept is where the line crosses the x-axes =(0,3)
.
.
y=(1/2)x + 3 [Plug-in the values]

{{{ graph( 600, 500, -6, 5, -10, 10, (1/2)x + 3) }}}