document.write( "Question 374189: Find the circumference of the circle whose equation is x^2+y^2-6x+8=0. \n" ); document.write( "

Algebra.Com's Answer #266284 by Fombitz(32388) $\"\"$ $\"About$

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Complete the square in x and y to find the equation of the circle.
\n" ); document.write( " $\"x%5E2%2By%5E2-6x%2B8=0\"$
\n" ); document.write( " $\"x%5E2-6x%2By%5E2%2B8=0\"$
\n" ); document.write( " $\"%28x%5E2-6x%2B9%29%2B%28y-0%29%5E2%2B8=9\"$
\n" ); document.write( " $\"%28x-3%29%5E2%2B%28y-0%29%5E2=1\"$
\n" ); document.write( "The circle has a radius of $\"R=1\"$
\n" ); document.write( " $\"C=2%2Api%2AR=2%2Api%2A1=highlight%282%2Api%29\"$
\n" ); document.write( " \n" ); document.write( "

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