Transformation that takes all point on parabola onto unit circle

[umair123]

Homework Statement

Show that the transformation

 _        __  _  __ 
| 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

Homework Equations

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.

 

[TaiwanCountry]

{M} [x] = [x']