document.write( "Question 170037: I have such a hard time doing this problem:
\n" ); document.write( "Write Standard Equation of Ellipse, Given Foci: (-2,0) and (2,0) and Vertices: (-6,0) and (6,0).
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Algebra.Com's Answer #125534 by stanbon(75887)\"\" \"About 
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I have such a hard time doing this problem:
\n" ); document.write( "Write Standard Equation of Ellipse, Given Foci: (-2,0) and (2,0) and Vertices: (-6,0) and (6,0).
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\n" ); document.write( "Draw the picture.
\n" ); document.write( "Do you see that a = 6 and c = 2.
\n" ); document.write( "For an ellipse, a^2 + b^2 = c^2, so b = sqrt[6^2-2^2] = sqrt(32) = 4sqrt(2)
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\n" ); document.write( "EQUATION:
\n" ); document.write( "x^2/36 + y^2/32 = 1
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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