SOLUTION: What is the range of the equation f(x)= x^2-7x+5

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Question 530499: What is the range of the equation f(x)= x^2-7x+5
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
To get the range of the quadratic function, we first compute %284ac-b%5E2%29%2F4a.
%284ac-b%5E2%29%2F4a+=+%284%281%29%285%29-%28-7%29%5E2%29%2F4%281%29
=-7.25
The coefficient of x%5E2 in f%28x%29=+x%5E2-7x%2B5is positive therefore
the range is y+%3E=+-7.25.