Polynomial Functions Quiz

Which of the following is a polynomial function?

• {−4 𝑚𝑢𝑙𝑡𝑖𝑝𝑙𝑖𝑐𝑖𝑡𝑦 3, 5 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 6}

• {4 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 6, −5 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 3}

• {−4 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 5, −5 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 5}

• {4 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 3, 5 𝑚𝑢𝑙𝑡𝑖𝑐𝑖𝑡𝑦 6}

• 9

• 10

• 11

• 12

• 42

• 43

• 44

• 45

What is the leading coefficient of (𝑥) = (2𝑥 + 2) (5𝑥 − 2) (𝑥 + 3)?

• 10

• −1

• −2

• −21

• above the x-axis

• on the x-axis

• below the x-axis

• on the y-axis

What determines the end behavior of the polynomial function?

• vertical line test

• horizontal line test

• leading coefficients test

• multiplicity test

How do you describe the behavior of the graph if the degree is even and the leading coefficient is negative?

• The graph rises to the left and falls to the right.

• The graph falls to the left and rises to the right.

• The graph falls on both sides.

• The graph rises on both sides.

Describe the behavior of the graph of the function (𝑥) = (𝑥 + 1) (𝑥 − 1) (𝑥 − 3).

• The graph rises on the left and falls on the right.

• The graph falls on the left and rises on the right.

• The graph falls on both sides.

• The graph rises on both sides.

What are the x-intercepts of the graph of 𝑦 = (𝑥 - 3) (𝑥 + 1) (𝑥 − 1)?

• 3, 1, 1

• −3, 1, 1

• 3, -1, 1

• −3, −1, −1