<PRE><B>Question 476727</B>
Put the equation in standard form for an ellipse
100x^2-200x+9y^2+18y=791
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100(x^2-2x+1) + 9(y^2+2y+1) = 791+100+9
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100(x-1)^2 + 9(y+1)^2 = 900
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(x-1)^2/9 + (y+1)^2/100 = 1
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cheers,
Stan H.
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