Please help!!!!!!

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Question

Please help!!!!!!

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18jonea · Answer

@robtobey2

18jonea · Answer

@mathmale

18jonea · Answer

I know the radius is 3

mathmale · Answer

Radius is 3, yes.  Now determine the coordinates of the center of this ______________ .

mathmale · Answer

(what is the name of this geometric figure?)

18jonea · Answer

center is -2,0
circle @mathmale

mathmale · Answer

Great. Now you have both the center and the radius of this circle.  What is the general formula for the equation of a circle of center (h,k) and radius r?

Use it to find the equation of the given circle.

18jonea · Answer

(x-h)^2 + (y-k)^2
(x-(-2))^2 + (y-0)^2
@mathmale

18jonea · Answer

But i dont get any of the choices.

18jonea · Answer

I got a

mathmale · Answer

Please show all of your work.

The general formula is $$(x-h)^2 + (y-k)^2=r^2$$

mathmale · Answer

and you have correctly identified h as -2 and k as 0, as well as the radius as 3.

Plug these numbers into the general formula and simplify the result.