isacmartinez163 isacmartinez163

22-10-2020
Mathematics

contestada

Which of the following is a root of the polynomial function below?
F(x) = x^3+3x^2 + 4x+12
A. 3
B. 2
C. i
D. -2i

Respuesta :

sarengradac sarengradac

22-10-2020

Answer:

[tex] - 2i[/tex]

Step-by-step explanation:

[tex]f(x) = { \times }^{3} + 3 {x}^{2} + 4x + 12 \\ = ( {x}^{3} + 3x^{2}) +(4x + 12) = \\ {x}^{2} (x + 3) + 4(x + 3) = \\ ( {x}^{2} + 4)(x + 3) [/tex]

Answer Link

Otras preguntas

The United States can grow a greater total quantity of wheat than Japan. The United States has a(n)______ in wheat production.a. higher opportunity costb. compa

indud ML/GH12 Use the information above to answer the questions that follow. 1.1 Define the following term "Prime interest" according to the given context: 1.2

Early drummers were often restricted to playing on the ______ because recording apparatus could not handle loud percussion sounds.a. wooden boxesb. padded surfa

In the Relationship Attachment Model, what are the three Ts of getting to know someone? a) Time, Trust, Talking b) Trust, Talking, Touch c) Trust, Time, Truth d

According to the text, why do governments spend large sums of money to host the Olympic Games?

Analyze the effects of federalism on contemporary policy making in Civil Rights and Environmental Policy

One hundred years ago, most people died _____, while today they most often die in a hospital. A) athome B) at birth C) while working D) in public spaces

This loss is further defined as the drop in pressure while the water maintains its speed (velocity). The result of the interaction between the hose or pipe and

The pigments in ______ are large and do not penetrate the cuticle layer , only coating of color is deposited which may be removed by shampooinga. Hennab. Tempor

explain the favourable geographical condition required for the production of rice also mention the major rice producing states of India please answer from everg