What is the equation of a circle with a center at (0, 9) and a radius of 9?

Question

amistre64 · Answer

do you know what the equation would be if it was centered at the origin?

anonymous · Answer

nlooo

amistre64 · Answer

then you need to reread over your material to determine the general equation of a circle

anonymous · Answer

I dont understand any of it

amistre64 · Answer

a question that asks you to modify the general equation of a circle, assumes that you already know the general equation of a circle.

anonymous · Answer

Well you know what they say about assuming. and arent you supposed to help?

amistre64 · Answer

i am helping, you need to know the general equation of a circle ... if anything, the internet is full of this sort of information.  If you can find the general equation of a circle, we can then move ahead to answer this question by modifing the equation

agent0smith · Answer

http://lmgtfy.com/?q=general+equation+of+a+circle&l=1

amistre64 · Answer

lol, google is trying to pull up regentsprep with that

amistre64 · Answer

the second link is better :)

agent0smith · Answer

It had the equation, it was good enough for me :P But this one does have interactivity: http://www.mathopenref.com/coordgeneralcircle.html