Eliminate the parameter t to find a Cartesian equation in the form `x = f(y)` for:

`{(x(t) = -3 t^2), (y(t) = 8 + 4 t) :} ` 

The resulting equation, solved for `x` is  

Get help: Video

Box 1: Enter your answer as an equation. Example: y=3x^2+1, 2+x+y=3
Be sure your variables match those in the question