# Transformation that takes all point on parabola onto unit circle

## Homework Statement

Show that the transformation

Code:
 _        __  _  __
| 0 -2 1   ||  x  |
| -2 2 0   ||  y  |
|_2 -2  1 _||_ 1_|
takes all points on parabola y2=x onto the unit circle x2+y2=1

## The Attempt at a Solution

I can't find out what to do I just need a hint about how to get started about doing this.