X 2 2y 2 graph July 8, 2019 16 32 64 128 X 2 2y 2 6 graph X 2 y 2 2y graph X 2 y 2 2y 0 graph X 2 2y 2 1 graph X 2 2y 2 0 graph X 2 2y 2 4 graph E (- x 2 2y 2 graph 3d X 2y 2 graph answer X 2 2y 2 3z 2 1 graph X 2y 2 0 3x 2y 2 0 graphical method X 2y 2 0 3x 2y 2 0 graph