SOLUTION: What is a quartic function with only the two real zeros given? x = -4 and x = -1 A. y = x^4 + 5x^3 + 5x^2 + 5x + 4 B. y = x^4 - 5x^3 - 5x^2 - 5x

SOLUTION: What is a quartic function with only the two real zeros given? x = -4 and x = -1 A. y = x^4 + 5x^3 + 5x^2 + 5x + 4 B. y = x^4 - 5x^3 - 5x^2 - 5x - 4 C. y = -x^4 +

Question 623847: What is a quartic function with only the two real zeros given?
x = -4 and x = -1
A. y = x^4 + 5x^3 + 5x^2 + 5x + 4

B. y = x^4 - 5x^3 - 5x^2 - 5x - 4

C. y = -x^4 + 5x^3 + 5x^2 + 5x + 4

D. y = x^4 + 5x^3 + 5x^2 + 5x - 5

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi, 

What is a quartic function with only the two real zeros given? 

x = -4 and x = -1 

A. f(x) = x^4 + 5x^3 + 5x^2 + 5x + 4 

Note:RE

I. Descartes' Rule of Signs and Rational Roots Theorem

II.  f(-4) and f(-1) = 0 found by verification

III.  process of Elimination... Cannot be B,C or D 

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