Posted by tyler on Tuesday, November 3, 2009 at 7:58pm.
If you have an x^2 term in the function, it is quadratic.
Once you have simplified the function, the numerical value for x^2 is quadratic, the numerical value for x is linear, and other numbers are constants.
(x-2)^2 = x^2 - 4x + 4
3x^2 - 12x + 12 + 12x = 3x^2 + 12
I hope this helps. Thanks for asking.
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