Question 965231
{{{(x+2)^2+(y-1)^2=R^2}}}
Use the point to solve for {{{R^2}}}
{{{(-4+2)^2+(1-1)^2=R^2}}}
{{{(-2)^2=R^2}}}
{{{R^2=4}}}
.
.
{{{ (x+2)^2+(y-1)^2=4 }}}
*[illustration crc.JPG].