document.write( "Question 453208: Parabolas
\n" ); document.write( "Determine the vertex of the given equation.
\n" ); document.write( "y = -x2 + 4x - 4
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Algebra.Com's Answer #311421 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
Vertex=(2,0) \n" ); document.write( "
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