SOLUTION: Write a polynomial function that has the given Zeros: 2,-1,4 Please I need help with this problem! Thanks!

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Question 818699: Write a polynomial function that has the given Zeros: 2,-1,4
Please I need help with this problem! Thanks!

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Write a polynomial function that has the given Zeros: 2,-1,4
Please I need help with this problem! Thanks!
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If "a" is a zero of f, x-a is a factor of f.
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Your Problem:
Ans: f(x) = (x-2)(x+1)(x-4)
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= (x^2-x-2)(x-4)
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= x^3 -5x^2 +2x + 8
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Cheers,
Stan H.