# Math Help - Surfaces

1. ## Surfaces

$x^2 + y^2 = z^2 + 16$

Hi everyone, may i know what type of graph for this equation?

Kind Regard.

2. Originally Posted by wkn0524
$x^2 + y^2 = z^2 + 16$

Hi everyone, may i know what type of graph for this equation?

Kind Regard.
Elliptic Hyperboloid of 1 sheet Hyperboloid - Wikipedia, the free encyclopedia