document.write( "Question 161954: Classify the conic section:
\n" ); document.write( "1. x^2 + y^2 = 36 \r
\n" ); document.write( "\n" ); document.write( "A point
\n" ); document.write( "B ellipse
\n" ); document.write( "C circle
\n" ); document.write( "D hyperbola
\n" ); document.write( "E parabol
\n" ); document.write( "F line\r
\n" ); document.write( "\n" ); document.write( "I think the answer is b,but i just want to make sure thats right? Thank you for your help!\r
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Algebra.Com's Answer #119348 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E2+%2B+y%5E2+=+36\" Start with the given equation\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-0%29%5E2+%2B+%28y-0%29%5E2+=+36\" Replace \"x\" with \"x-0\" and replace \"y\" with \"y-0\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28x-0%29%5E2+%2B+%28y-0%29%5E2+=+6%5E2\" Rewrite \"36\" as \"6%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "Since the equation above fits the equation \"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\" (which is the equation of any circle) where \"h=0\", \"k=0\" and \"r=6\", this shows us that the equation \"x%5E2+%2B+y%5E2+=+36\" is a circle.\r
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\n" ); document.write( "\n" ); document.write( "Note: if you aren't entirely sure, solve for \"y\" and you should get a good idea of the conic section (this isn't foolproof)
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