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...