SOLUTION: Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value. f(x) = x2 - 2x - 5

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Question 1003189: Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.
f(x) = x2 - 2x - 5

Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
Roots ;

What happens in the exact middle of the two roots? More simply stated, what happens for x=1? Also, the positive coefficient on tells you the function has a minimum.

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