document.write( "Question 303171: Graph each ellipse and locate the foci.\r
\n" ); document.write( "\n" ); document.write( "x^2/25 + y^2/16 = 1\r
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Algebra.Com's Answer #217272 by Fombitz(32388)\"\" \"About 
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Foci
\n" ); document.write( "\"a%5E2=b%5E2%2Bc%5E2\"
\n" ); document.write( "\"25=16%2Bc%5E2\"
\n" ); document.write( "\"c%5E2=9\"
\n" ); document.write( "\"c=+0+%2B-+3\"
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