6x 2y 9 0 July 8, 2019 16 32 64 128 6x 2y 9 0 gradient X2 6x 2y 9 0 parabola X 2 y 2 6x 2y 9 0 X2 6x 2y 9 0 A line has equation 6x 2y 9 0 Gradient of the line 6x+2y+9=0 6x 2y 9 0 and 3x y 12 0 6xy - 4y + 6 - 9x