document.write( "Question 464886: x^2 - 4x + y^2 - 4y + 4 = 12 \n" ); document.write( "

Algebra.Com's Answer #318499 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Standard Form of an Equation of a Circle is  
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document.write( "where Pt(h,k) is the center and r is the radius\r
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document.write( "x^2 - 4x  + y^2 - 4y + 4 = 12  |Completing square to put into standard form
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document.write( "(x-2)^2 - 4 +(y-2)^2 - 4 + 4 = 12
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document.write( "(x-2)^2 + (y-2)^2 = 16
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document.write( "Circle with C(2,2) and radius of 4\r
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