For a line to be parallel, the slope has to be the same(1/3) only its coordonate on the y axis (b) changes. Therefore the new equation will be y=1/3x+b To find be, tou have to isolate it after inputting the new coordinates (-9,4) (4)=1/3(-9)+b 4=-3+b 7=b Therefore, the new equation is y=1/3x+7