Unit 5 - Test - Polynomials and Polynomial Functions

What is the graph for the function x⁴ - 8x² + 4?

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What is the end behavior for the function y = -x⁵ - 3x⁴ - 5x³?

• Up and Up

• Down and Down

• Down and Up

• Up and Down

Write a polynomial functions with zeros -1, 1 and 2.

• (x + 1)(x - 1)(x + 2)

• (x + 1)(x - 1)(x - 2)

• (x + 1)(x + 1)(x + 2)

• (x + 1)(x + 1)(x - 2)

What are the zeros for the function y = x(x - 5)(x - 3)? Select all that apply.

• -5

• -3

• 0

• 3

• 5

What are the imaginary solutions to the equation (x - 4)(x + 2)(x² + 9)?

• ± 2

• ± 4i

• ± 3i

• ± 9i

What are the real solutions to the equation x³ + 2x² + 2x + 4?

• ± √2

• ± 4

• 2

• -2

• 4

• 3

• 2

• 1

Choose the TWO that apply:

• Even Degree

• Odd Degree

• Positive Leading Coefficient

• Negative Leading Coefficient

What are the zeros of the function?

• 4, 1

• -3, -1, 2, 5

• -3, -1, 30, 2, 5

• 3, 1, -2, -5

What is the missing root for the cubic polynomial function with rational coefficients -4 and -5 - 19i ?

• 20 + 76i

• -5 + 19i

• 4

• 5 + 19i