# Math Help - Polar Equation Help

1. ## Polar Equation Help

I need to write an equation of a sphere with r=2 and center p = (-2,3,-1).
All help is appreciated. Thanks!!!

2. $(x-a)^2+(y-b)^2+(z-c)^2=r^2$ is the general form of a sphere with center $(a,b,c)$ .