|   | 1 |  initial version  | 
Dimension 1 tells us about the system having too many "degrees of freedom". Since we work in a finite field, it is easy to deal with it by fixing one of the variables, say, x:
variety = sum( (Ideal(polynomials+[x-x0]).variety() for x0 in Fq), [] )
which produces 16 solutions.
 Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.
 
                
                Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.