document.write( "Question 444440: Need help with this question.\r
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Algebra.Com's Answer #306350 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi\r
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document.write( "Standard Form of an Equation of an Ellipse is 
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document.write( "where Pt(h,k) is the center and a and b  are the respective vertices distances from center.
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document.write( "foci: (+9,0) major axis along the x=axis
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document.write( "major axis of length: 24  2a = 24  a = 24/2 = 12
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document.write( "  f = sqrt(144-b^2) =  9       b^2  = 63
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