2 years ago

What are the zeros of the polynomial function? f(x)=x^3−x^2−4x+4

Mathematics

1 answer:

harkovskaia [24]2 years ago

5 0

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

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2 years ago

Pamela is 6 years younger than Jiri. The sum of their ages is 64. What is Jiro's age?

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