Finding the Center and Radius of a Circle

$h = \alpha$ and $k = \beta$

$h - \alpha = r$ or $k - \beta = r$

$(h - \alpha)^2 + (k - \beta)^2 = r^2$

$\frac{h^2}{\alpha^2} + \frac{k^2}{\beta^2} = r^2$

No conclusions can be made about $h$ and $k$ given the above information.