Hi Matt. Thanks for your quick reply.
So if the degree of the homogenous polynomials is n the basis is:
x^n, x^{n-1}y, x^{n-2}y^2, ... , xy^{n-1}, y^n so it is an n+1 dimensional vector space.
I guess the dual basis are the n+1 1-forms, the jth of which eats x^ky^{n-k} and spits out 1 if...