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)      (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. 
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