document.write( "Question 1184178: 27x² + 9y²-81=0
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Algebra.Com's Answer #814718 by greenestamps(13200) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"27x%5E2%2B9y%5E2-81=0\"$
\n" ); document.write( " $\"27x%5E2%2B9y%5E2=81\"$
\n" ); document.write( " $\"x%5E2%2F3%2By%5E2%2F9=1\"$

\n" ); document.write( "Ellipse; put it in standard form:

\n" ); document.write( " $\"%28x-h%29%5E2%2Fb%5E2%2B%28y-k%29%5E2%2Fa%5E2=1\"$

\n" ); document.write( "(Note for an ellipse a is always greater than b)

\n" ); document.write( " $\"%28x-0%29%5E2%2F%28sqrt%283%29%5E2%29%2B%28y-0%29%5E2%2F3%5E2=1\"$

\n" ); document.write( "Center (h,k) = (0,0)
\n" ); document.write( "semi-major axis a = 3 (in the y direction)
\n" ); document.write( "semi-minor axis b = sqrt(3) (in the x direction)

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