document.write( "Question 869725: write the equation of each circle \r
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Algebra.Com's Answer #524353 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Circles are of the form \"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\" with center (h,k) and radius r.\r
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\n" ); document.write( "\n" ); document.write( "We're given \"center (-3,7) and radius is 12\", so (h,k) = (-3,7) ----> h = -3, k = 7 and r = 12\r
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\n" ); document.write( "\n" ); document.write( "Plug these values in:\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-%28-3%29%29%5E2%2B%28y-7%29%5E2=12%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B3%29%5E2%2B%28y-7%29%5E2=144\"\r
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\n" ); document.write( "\n" ); document.write( "and that's your final answer
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