SOLUTION: what are the solutions to the nonlinear of equations below? check all that apply x^2+y^2=4 x^2/2^2-y^2/2^2=1

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: what are the solutions to the nonlinear of equations below? check all that apply x^2+y^2=4 x^2/2^2-y^2/2^2=1      Log On

Hi,

 is the sames as 

 or 

.

adding  and 







x = +- 2

y = +- 2