y² = 2x
You didn't give any instruction, so I can only guess
what you are supposed to do. I'll guess that you are
supposed to graph it. If I guessed wrong, then post
again and give the instructions.
Get some points
x y
--------
0 | 0
2 | ±2
8 | ±4
18 | ±8
Plot (0,0), (2,2), (2,-2), (8,4), (8,-4), (18,8),
(18,-8)
Edwin