document.write( "Question 206847: I didnt get how to write an equationin in this problem; Write an equation of a circle with center at the origin and radiu 6.
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Algebra.Com's Answer #156353 by scott8148(6628)\"\" \"About 
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the general equation for a circle centered at (h,k) with a radius of r is (x-h)^2 + (y-k)^2 = r^2\r
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\n" ); document.write( "\n" ); document.write( "in this case, h and k are both zero (at the origin)
\n" ); document.write( "___ so the equation is x^2 + y^2 = 36
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