Find the Center (H, K) and Radius R of the Circle

Multiple Choice

Find the center (h, k) and radius r of the circle. Graph the circle.
- $x^{2}+y^{2}-4 x-6 y+9=0$


A) $( \mathrm { h } , \mathrm { k } ) = ( 2,3 ) ; \mathrm { r } = 2$


B) $( \mathrm { h } , \mathrm { k } ) = ( - 2,3 ) ; \mathrm { r } = 2$

C) $( \mathrm { h } , \mathrm { k } ) = ( 2 , - 3 ) ; \mathrm { r } = 2$


D) $( \mathrm { h } , \mathrm { k } ) = ( - 2 , - 3 ) ; \mathrm { r } = 2$