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Multivariable Calculus

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Surface with No Linear Terms

MVCALC-LHNH16

Which answer describes the surface that has equation:

$$\frac{x^2}{4} + y^2 + \frac{z^2}{4} =1$$

A

A sphere.

B

An elliptic paraboloid.

C

An ellipsoid.

D

An elliptic cone.

E

A hyperbolic paraboloid.