larsonjoseph01
larsonjoseph01 larsonjoseph01
  • 18-12-2018
  • Mathematics
contestada

What are the zeros of the polynomial function? f(x)=x^3−x^2−4x+4
Select each correct answer.


-3
-2
-1
0
1
2
3

Respuesta :

tramserran
tramserran tramserran
  • 19-12-2018

Answer: (B) -2, (E) 1, (F) 2

Step-by-step explanation:

   x³ - x² - 4x + 4

= x²(x - 1) - 4(x - 1)

= (x² - 4) (x - 1)

= (x - 2)(x + 2)(x - 1)

Set each factor equal to zero to find the roots:

  x - 2 = 0      x + 2 = 0       x - 1 = 0

       x = 2             x = -2           x = 1


Answer Link
lemion
lemion lemion
  • 12-01-2021

Answer:

-2, 1, 2

Step-by-step explanation:

Ver imagen lemion
Answer Link

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