identify and sketch the surface

-x^2-y^2-16z^2=0

i'm stuck..it's close to an ellipsoid but an ellispoid would be equal to 1 not 0..anyone know what this is??(Doh)

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- September 8th 2009, 05:05 PMandyadditionVector Calculus
identify and sketch the surface

-x^2-y^2-16z^2=0

i'm stuck..it's close to an ellipsoid but an ellispoid would be equal to 1 not 0..anyone know what this is??(Doh) - September 8th 2009, 05:11 PMluobo