Graph y=-1/2X +3 using the slope intercept method.

Slope  =  (-1/2)

Y intercept  =  3   = ( 0, 3) =  1st point

From  (0,3)   we use the slope.......go down 1 in y  and over 2 on x

So.......the 2nd point is  ( 2 , 2)       

Connect the two points with a line.......there's your  graph  !!!!