document.write( "Question 1096474: A parabola has focus (7,9) and directrix of y=3. Find its standard equation \n" ); document.write( "
Algebra.Com's Answer #710908 by josgarithmetic(39620)\"\" \"About 
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deriving equation of parabola, given focus and directrix\r
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\n" ); document.write( "\n" ); document.write( "Same idea, different orientation, vertex NOT at origin
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