SOLUTION: How do you complete the squares in this equation: x^2-2x+y^2-15=0?

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Question 441177: How do you complete the squares in this equation: x^2-2x+y^2-15=0?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

x^2-2x+y^2-15=0   |Only one square to complete

(x-1)^2 -1 + y^2 -15 = 0

(x-1)^2 + y^2 = 16 

1) Circle with Center(1,0) and radius of 4

Standard Form of an Equation of a Circle is %28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2

where Pt(h,k) is the center and r is the radius