SOLUTION: A circle in the standard (x,y) coordinate plane is tangent to the y-axis at 9. What is the equation of the circle in standard form?

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Question 117139: A circle in the standard (x,y) coordinate plane is tangent to the y-axis at 9. What is the equation of the circle in standard form?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x-r)^2+(y-9)^2=r^2