dwilliams20
dwilliams20 dwilliams20
  • 15-11-2019
  • Mathematics
contestada

Is the given linear expression a factor if the polynomial?

f(x) = 2x^3 + x^2 - 5x + 2; x + 2​

Respuesta :

Аноним Аноним
  • 15-11-2019

Answer:

Yes.

Step-by-step explanation:

Given:  f(x) = 2x^3 + x^2 - 5x + 2; x + 2​

If x + 2 is a factor of f(x),  then , by the Factor Theorem,  f(-2) = 0.

So we check if this is so:

f(-2) = 2(-2)^3 + (-2)^2 - 5(-2) + 2

=  -16 + 4 + 10 + 2

= -16 + 16 = 0.

So Yes x + 2 is a factor.

Answer Link

Otras preguntas

made up of 100 members 2 from each state
what fraction of page 20 remains available for other uses look at my recent question that will help you with this
Which sentence uses a verb that agrees with its subject ? A. In the evening the noise of the crickets increase . B. The bananas on the counter are not yet ripe
What are two conductive materials separated by an insulator,and used to store electric potential energy?
what are 5 characteristics of a mineral
When grocery shopping, _______. Which of the following best completes the sentence above? it is necessary to have a list of needed items a list of needed items
the goal of the historian is to create accounts of events
what is three fourths plus one third plus two sixths
jack bought 3 protein bars for a total of $4.26 which equation could be used to find the cost c on dollars of each protein bar ⓐ c\3= 4.26 ⓑ c\4.26=3 ⓒ 3
I have no idea how to do this: Slope= -3, y-intercept= -1 its slope-intercept form Slope= -2, y-intercept= -4 Through: (-3,2) , slope=-1/3 Through: (3,2) and