Match the given equation with the verbal description of the surface:

A. Plane
B. Cone
C. Elliptic or Circular Paraboloid
D. Sphere
E. Half plane
F. Circular Cylinder

 1. $z = r^2$
 2. $r^2 + z^2 =16$
 3. $\rho = 4$
 4. $r = 2\cos(\theta )$
 5. $\phi = \frac{\pi}{3}$
 6. $\theta = \frac{\pi}{3}$
 7. $r =4$
 8. $\rho = 2\cos(\phi )$
 9. $\rho \cos(\phi )= 4$