simple plot

*To*: mathgroup at smc.vnet.net*Subject*: [mg22382] simple plot*From*: "Steve" <sdunkel at ucsd.edu>*Date*: Sat, 26 Feb 2000 22:05:11 -0500 (EST)*Organization*: Univ of Calif San Diego*Sender*: owner-wri-mathgroup at wolfram.com

How do I plot the following function? x^2+y^2-z^2=0 I know this is a simple question but I'm new to Mathematica. Thanks