The minimum value of the expression \[7-20x+11{{x}^{2}}\] is

1.	The minimum value of the expression \[7-20x+11{{x}^{2}}\] is
A.	\[\frac{177}{11}\]
B.	\[-\frac{177}{11}\]
C.	\[-\frac{23}{11}\]
D.	\[\frac{23}{11}\]
Answer» D. \[\frac{23}{11}\]

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The minimum value of the expression \[7-20x+11{{x}^{2}}\] is

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