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Sunday, October 4, 2015

Analytic Circle

Problem:



Solution:

The center is (3, 2) and the radius is 2 - by reading the graph.

Therefore the center radius form is (x3)2+(y2)2=22=4.

The general form is given by simply expanding the above, getting

x26x+9+y24y+4=4

Simplifying, get

x2+y26x4y+9=0

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