x-intercept is the point where the graph cuts x axis when a graph cuts x axis, y=0 when y=0, x-3(0)=3 i.e. x=3 so x intercept=3 y-intercept is the point where the graph cuts y axis when a graph cuts y axis, x=0 when x=0, 0-3y=3 i.e. y=-1 so y intercept=-1
