2y 9 0 July 8, 2019 16 32 64 128 3x 2y 9 0 6x 2y 9 0 5x 2y 9 0 8x 2y 9 0 Kx 2y 9 0 Y2 2y 9 0 X2 6x 2y 9 0 parabola 2y 2 9y 9 0 2y 2 3y 9 0 4x 2y 9 0 X 2y 9 0 6x 2y 9 0 gradient 3x 2y 9 0 solution 2x 2y 9 0 2y 2 14y 9 0