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OpenStudy (anonymous):
The extreme point of f(x)=x^2-x is? a. (1/2, -1/4) b. (-1/2, -1/4) c. (1/2, 1/4) d. (-1/2, 1/4)
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OpenStudy (anonymous):
x^2-x=(x-1/2)^2-1/4 <--completing square therefore, we can find the vertex which is (1/2, -1/4) The answer is A
OpenStudy (anonymous):
Thanks CoCoTsoi
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