document.write( "Question 170037: I have such a hard time doing this problem:
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document.write( "Write Standard Equation of Ellipse, Given Foci: (-2,0) and (2,0) and Vertices: (-6,0) and (6,0). \n" );
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Algebra.Com's Answer #125534 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 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). \n" ); document.write( "----------------------- \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) \n" ); document.write( "---------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "x^2/36 + y^2/32 = 1 \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " |