Writing Polynomial Functions from Complex Roots

Question 1

Write 6(x – 5)4 + 4(x – 5)2 + 6 = 0 in the form of a quadratic by using substitution.

Revolt · Accepted Answer

B: 6u2 + 4u + 6 = 0, where u = (x – 5)2

Question 2

Select all of the following equation(s) that are quadratic in form.

Revolt · Accepted Answer

A: x4 – 6x2 – 27 = 0; D: 6(2x + 4)2 = (2x + 4) + 2; E: 6x4 = -x2 + 5

Question 3

Solve 4x4 + 7x2 – 2 = 0.Choose the factored form of the polynomial expression.

Revolt · Accepted Answer

D: (4x² - 1)(x² + 2)

Question 4

Solve using substitution.u =

Revolt · Accepted Answer

B: x²

Question 5

Solve (x + 1)2 – 4(x + 1) + 2 = 0 using substitution.u =

Revolt · Accepted Answer

C: x +1

Question 6

Select all of the solutions to the equation.

Revolt · Accepted Answer

A: ; B: ; C: ; F:

Question 7

Select the solution(s) of the original equation.

Revolt · Accepted Answer

A: ; B: x = 1; D: x = -1; E:

Question 8

Select the solution(s) of the original equation.

Revolt · Accepted Answer

A: x = 1 +; D: x = 1 -

Writing Polynomial Functions from Complex Roots Answers