document.write( "Question 207924: What is the ordered pair representing the center of the shape represented by:
\n" ); document.write( "x2 + y2 = 9?\r
\n" ); document.write( "\n" ); document.write( "What is the area of the shape is represented by the equation: x2 + y2 = 9? \n" ); document.write( "

Algebra.Com's Answer #157274 by Theo(13342) $\"\"$ $\"About$

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(0,0)
\n" ); document.write( " $\"graph+%28600%2C600%2C-5%2C5%2C-5%2C5%2Csqrt%289-x%5E2%29%2C-sqrt%289-x%5E2%29%29\"$
\n" ); document.write( "the formula of a circle is:
\n" ); document.write( " $\"%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2\"$
\n" ); document.write( "this formula has h = 0 and k = 0
\n" ); document.write( "this is a circle with the center at the origin.
\n" ); document.write( "the radius of the circle = 3
\n" ); document.write( "(h,k) is the center of the circle.
\n" ); document.write( "r^2 is the radius squared of the circle.\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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