SOLUTION: How do I find a, b, and c for quadratic equation from a table? X is 2, 4, 6, 8, 10, 12. Y is 56, 64, 62, 53, 43, 18
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Question 998372: How do I find a, b, and c for quadratic equation from a table? X is 2, 4, 6, 8, 10, 12. Y is 56, 64, 62, 53, 43, 18
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
X is 2, 4, 6, 8, 10, 12
Y is 56, 64, 62, 53, 43, 18
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Find the regression equation using TI-84 cubic regression program::
y = 0.0081x^3 -0.7093x^2+7.5423x+44.3333
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Cheers,
Stan H.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
3 points determine a quadratic (parabola).
You can pick any 3 points and find an equation, but the other points do not fit.
Maybe a typo?
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