Question 1126198
the standard form and the general form of the equation of each circle with radius {{{r }}} and center ({{{h}}},{{{k}}}) is:

{{{(x-h)^2+(y-k)^2=r^2}}}


1. if  {{{r=3}}};  ({{{h}}},{{{k}}})= ({{{-2}}},{{{3}}}), we have

{{{(x-(-2))^2+(y-3)^2=3^2}}}

{{{(x+2)^2+(y-3)^2=9}}}


{{{drawing( 600, 600, -10, 10, -10, 10,
circle(-2,3,.12),locate(-2,3,C(-2,3)),line(-2,3,1,3),
 graph( 600, 600, -10, 10, -10, 10,-sqrt(9-(x+2)^2)+3 ,sqrt(9-(x+2)^2)+3)) }}}