1) x=0, y=5; x=1, y=2; x=2, y=-1
2) x=0, -3,5; x=1, y=-1,5; x=2, y=0,5
3) x=0, y=3 1/3; x=1, y=6; x=2, y=8 2/3
4) x=0, y=6; x=1, y=-3; x=2, y=-12
1) x=0, y=5; x=1, y=2; x=2, y=-1
2) x=0, -3,5; x=1, y=-1,5; x=2, y=0,5
3) x=0, y=3 1/3; x=1, y=6; x=2, y=8 2/3
4) x=0, y=6; x=1, y=-3; x=2, y=-12