SOLUTION: Find the equation of the circle which touches the X axis at a point (3,0) and passing through point (1,2).

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Question 1039220: Find the equation of the circle which touches the X axis at a point (3,0) and passing through point (1,2).
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
The center of the circle is on the vertical line, x=3, which is a point, (3,y). The distance from (3,y) to (3,0) is equal to the distance from (3,y) to (1,2). Use the Distance Formula and go from there.