Calc III Help...Traces and determining type of surface

jeff3617

Member
Use the traces to sketch and identify the surface.
4x^2 – y^2 + z^2=0
Possible Answers:
hyperbolic paraboloid
elliptic cylinder
hyperbolic cylinder
parabolic cylinder
cone
hyperboloid
elliptic paraboloid
Any Help would be greatly appreciated.
cross.gif
 
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