document.write( "Question 881422: could you please help me graph the circle (x+2)2 + (y-1)2 = 16\r
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Algebra.Com's Answer #532203 by josgarithmetic(39618)\"\" \"About 
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This is not a circle: \"%28x%2B2%292+%2B+%28y-1%292+=+16\".\r
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\n" ); document.write( "\n" ); document.write( "THIS is a circle: \"highlight_green%28%28x%2B2%29%5E2+%2B+%28y-1%29%5E2+=+16%29\".\r
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\n" ); document.write( "\n" ); document.write( "The center is (-2,1) and the radius is 4, because \"4%5E2=16\"\r
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\n" ); document.write( "\n" ); document.write( "A circle equation in standard form is \"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\"
\n" ); document.write( " and r is radius and center is (h, k).
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