SOLUTION: Find the center-radius form of the equation of a circle that satisfies the given conditions:Center (8, 12); touching the x-axis.

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Question 314652: Find the center-radius form of the equation of a circle that satisfies the given conditions:Center (8, 12); touching the x-axis.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The general equation for a circle centered at (h,k) with a radius R is:
%28x-h%29%5E2%2B%28y-k%29%5E2=R%5E2
Since it's touching the x-axis, the distance from the center to the x-axis is R.
R=12
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%28x-8%29%5E2%2B%28y-12%29%5E2=144
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