Question

center (-2,0), radius 5

Answer 1

I guess you want the equation of this circle?

Answer 2

the center radius form of the equation

Answer 3

\(\bf (x-{\color{purple}{ h}})^2+(y-{\color{blue}{ k}})^2={\color{olive}{ r}}^2\qquad center\ ({\color{purple}{ h}},{\color{blue}{ k}})\quad radius={\color{olive}{ r}}\)