Quadratic in Form Polynomials

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

6u2 + 4u + 6 = 0, where u = (x – 5)2

Question 2

Select the solution(s) of the original equation.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-06-08-10-09-task/mr002-1.jpg; x = 1; x = -1; Answer image: https://media.edgenuity.com/EVresources/3111-06-08-10-09-task/mr002-2.jpg

Question 3

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

Revolt · Accepted Answer

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

Question 4

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

Revolt · Accepted Answer

(4x² - 1)(x² + 2)

Question 5

Solve using substitution.u =

Revolt · Accepted Answer

x²

Question 6

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

Revolt · Accepted Answer

x +1

Question 7

Select all of the solutions to the equation.

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-06-08-10-07-task/mr001-1.jpg; Answer image: https://media.edgenuity.com/EVresources/3111-06-08-10-07-task/mr001-2.jpg; Answer image: https://media.edgenuity.com/EVresources/3111-06-08-10-07-task/mr001-3.jpg; Answer image: https://media.edgenuity.com/EVresources/3111-06-08-10-07-task/mr001-6.jpg

Question 8

Select the solution(s) of the original equation.

Revolt · Accepted Answer

x = 1 +; x = 1 -

Quadratic in Form Polynomials Answers

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