document.write( "Question 38337: What are the foci of the ellipse with equation (x^2/100)+(y^2/64)=1
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document.write( "a.(0,+or- sqroot of 164)
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document.write( "b.(+or- sqroot of 164,0)
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document.write( "c.(0,+or- 6)
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document.write( "b.(+or- 6,0)\r
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document.write( "i got b in part guess mode ^_^ \n" );
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Algebra.Com's Answer #23817 by Nate(3500) ![]() You can put this solution on YOUR website! (x^2/100)+(y^2/64)=1 \n" ); document.write( "The ellipse has a horizontal major axis with a center at (0,0). \n" ); document.write( "a=10 \n" ); document.write( "b=8 \n" ); document.write( "c^2=a^2-b^2 \n" ); document.write( "c^2=100-64 \n" ); document.write( "c=6 \n" ); document.write( "Foci: (6,0),(-6,0) \n" ); document.write( "Well, you are right. It is the second 'b'! \n" ); document.write( " |