document.write( "Question 191996: If the directrix of a parabola is y=-2 and its focus is (4,2), what is its vertex? \n" ); document.write( "

Algebra.Com's Answer #144096 by Mathtut(3670) $\"\"$ $\"About$

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(4,0) ......equal distance between directrix and focus \n" ); document.write( "

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