Hi, graph y = 3x+3 solving for x= 0 y = 0 + 3 y = 0 (0,3) a point on the line solving for y = 0 y = 3x+3 0 = 3x + 3 -3 = 3x -1 = x (-1,0) a point on the line Plot the Points and draw the line thru them the equation represents graph y = 3x+3