Find the center and radius

label Algebra
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Find the center and radius of the circle with equation (x + 6)2 + (y – 4)2 = 36.

May 18th, 2015

In the general case  the circle with centre coordinates (ab) and radius r is the set of all points (xy) such that (x-a)^2+(y-b)^2=r^2

So the center is (-6,4) and the radius sqrt(36)=6

Don't hesitate to provide me a nice feedback. I will appreciate. Thanks. 


May 18th, 2015

How do I provide feedback?

May 18th, 2015

I don't know :). Don't bother yourself. 

May 18th, 2015

I don't know :). Don't bother yourself. 

May 18th, 2015

I'll figure it out :)

May 18th, 2015

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May 18th, 2015
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