document.write( "Question 832011: Find an equation of the circle that satisfies the center (-k,k) and radius 2k \n" ); document.write( "
Algebra.Com's Answer #501782 by Alan3354(69443)\"\" \"About 
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Use the standard formula for a circle.
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\n" ); document.write( "A circle of radius r with the center at (h,k) is
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