SOLUTION: what type of conic section is the following equation 4x^2-xy+4y^2=15

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: what type of conic section is the following equation 4x^2-xy+4y^2=15      Log On


   

Question 573338: what type of conic section is the following equation 4x^2-xy+4y^2=15
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
what type of conic section is the following equation 4x^2-xy+4y^2=15
------------
It's an ellipse.
It would be a circle (which is a special case of ellipse) if not for the xy term.