Editor
Editor
 Sep 18, 2022
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The standard form of the quadratic function $f(x)=-x^{2}+4x+2$ is
Difficulty: Easy
A: 
$(x-2)^{2}+6$
B: 
$-(x-2)^{2}+6$
C: 
$(x-3)^{2}+5$
D: 
$(x+4)^{2}-7$
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NETNUST Entry TestMathematicsQuadratic Equations