Question

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Answer 1

http://www.mathwarehouse.com/geometry/circle/images/equation-of-circle/example-2-equation-of-circle.png

Answer 2

\(\bf Center \quad ({\color{red}{ 3}},{\color{blue}{ 4}}) \qquad radius=6\implies
(x-{\color{red}{ h}})^2+(y-{\color{blue}{ k}})^2=r^2\)

what do you think?

Answer 3

so its (x-3)^2 + (y-4)^2 =36 \(\checkmark\)

Answer 4

yw