document.write( "Question 742882: The equation 5x^2+4y^2=180 represents which conic section? Circle, ellipse, hyperbola or parabola? \n" ); document.write( "

Algebra.Com's Answer #452660 by MathLover1(20850) $\"\"$ $\"About$

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$\"+5x%5E2%2B4y%5E2=180\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+5x%5E2%2F180%2B4y%5E2%2F180=180%2F180\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2%2F36%2By%5E2%2F45=1\"$ ......it's an ellipse with center at ( $\"0\"$ , $\"0\"$ ), foci at ( $\"0\"$ , $\"-3\"$ ) and ( $\"0\"$ , $\"3\"$ ), semi-minor axis length $\"6\"$ , semi-major axis length $\"3sqrt%285%29=6.7\"$ , and vertices at ( $\"0\"$ , $\"3sqrt%285%29\"$ ) and ( $\"0\"$ , $\"-3sqrt%285%29\"$ )\r
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