Find an equation of the circle having the given centre and radius.

Centre $(-4,9),$ radius $2\sqrt[\phantom{2}]{7}$

Choose the correct equation.

A$.(x-4{)}^2+(y+9{)}^2=28$

B$.(x+4{)}^2+(y-9{)}^2=14$

C$.(x+4{)}^2+(y-9{)}^2=28$

D$.(x-4{)}^2+(y+9{)}^2=14$