The circle below is centered at the oint (-2, 1) and has a radius of length 3. What is its equation?

(picture) http://i.imgur.com/ombRYQe.png

please give me the best answer.

Question

The circle below is centered at the oint (-2, 1) and has a radius of length 3. What is its equation? 

(picture) http://i.imgur.com/ombRYQe.png 

please give me the best answer.

directrix · Answer

Read the attached description of the standard form for equation of a circle.

Then, we'll work on this problem.

anonymous · Answer

too much

directrix · Answer

Your (h,k) is (-2, 1). Your radius is 3. Look at the attachment and see where to substitute those values.

anonymous · Answer

got it man, thank you @Directrix

directrix · Answer

What did you get for an answer? Let's compare answers. Okay? @thihaaung

anonymous · Answer

A

directrix · Answer

I agree.