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Question

Pick the correct plot for the function y=x2−2x+6


A

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B

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C

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D



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Solution

The correct option is C


Since the coefficient of x2 is positive, the graph will be an upward facing parabola.
For the vertex part of it, we can write the given expression as
y=(x22x+1+5)
y5=(x1)2
From this, we can say the vertex of the parabola is (1,5)


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