Question

Identify the center and the radius of the circle:
(x-3)^2+(y+1)^2=36
Thanks!

Answer 1

\(\Large\color{red}{ \bf (x-h)^2+(y-k)^2=r^2 }\)

\(\Large\color{blue}{ \bf center~~is~~(h,k)}\)

Answer 2

hint
\(\Large\color{red}{ \bf 36=6^2~~~and~~~1=-(-1) }\)

Answer 3

Oh my gosh im so lost
):

Answer 4

what do you think about

\(\Large\color{red}{ \bf (x-\color{blue} { 3 })^2+(y-\color{blue} { (-1)})^2=\color{blue} { 6 }^2 }\)

Answer 5

um. The center is (3,-1)?

Answer 6

yes

Answer 7

ok cool! How do I find the radius?