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Is the binomial a factor of the polynomial function?

 

f(x) = x^3 + 4x^2 - 9x - 36

 

pick "YES" or "NO" for each binomial

 

(x-1) YES or NO?

 

(x-3) YES or NO?

 

(x+3) YES or  NO?

 

(x-4) YES or NO?

 

(x+4) YES or NO?

Guest Oct 3, 2018
 #1
avatar+89909 
+1

f(x)  =x^3  - 4x^2  - 9x - 36   factors as   

 

x^2(x - 4) - 9(x - 4)   =

 

(x - 4) (x^2 - 9)  =

 

(x - 4) (x + 3) ( x - 3)

 

So only answers  2,3, and 4  are correct

 

 

cool cool cool

CPhill  Oct 3, 2018

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