SOLUTION: on my worksheet it says find the center and the radius of the circle with the given points the problem is x2+y2-6x-2y+5=0 i have to subtract the 5 then what?

Question 64588: on my worksheet it says find the center and the radius of the circle with the given points the problem is x2+y2-6x-2y+5=0 i have to subtract the 5 then what?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Find the center and radius of the circle whose equation is:
Yes, you first subtract 5 from both sides.
Now group the x-terms together and the y-terms together.
Next, complete the squares in the x-terms and in the y-terms.
Now factor the left side.
Compare this with standard form for a circle with centre at (h, k) and radius r.

From this comparison, you can see that the centre of your circle is at (3, 1) and the radius
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