document.write( "Question 394239: when x=2, the value of f(x)=x^2-4x+4=0. This makes (2,0)a ? ____ of the quadratic equation.\r
\n" ); document.write( "\n" ); document.write( "A radicand
\n" ); document.write( "B turning point
\n" ); document.write( "C maximum value
\n" ); document.write( "D root
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Algebra.Com's Answer #279730 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "f(2)=x^2-4x+4 = 0 then Pt(2,0) is the vertex OR a turning pt
\n" ); document.write( "Note: In this example the vertex is a minimum point
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