SOLUTION: Find the equation of the circle with center (0, 0) and radius = 9. I don't understand this at ll. Your help is greatly appreciated. Thank you!

SOLUTION: Find the equation of the circle with center (0, 0) and radius = 9. I don't understand this at ll. Your help is greatly appreciated. Thank you!

Algebra.Com

Question 727543: Find the equation of the circle with center (0, 0) and radius = 9.
I don't understand this at ll. Your help is greatly appreciated. Thank you!
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
x^2+y^2=81
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