Unit Test — Unit test Answers

Which of the following is the complete list of roots for the polynomial function ?

A cube has side length x. One side of the cube is increased by 4 inches, and another side is doubled. The volume of the new rectangular prism is 450 cubic inches. The equation can be used to find x. What was the side length of the original cube? Use a graphing calculator and a system of equations to find the answer.

Which polynomial function has a leading coefficient of 2, root –4 with multiplicity 3, and root 10 with multiplicity 1?

A polynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. If the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

What is the fifth term in the binomial expansion of (x + 5)8?

The side length, s, of a cube is x – 2y. If V = s3, what is the volume of the cube?

If (x – 2k) is a factor of f(x), which of the following must be true?

What is the remainder when (x4 + 36) is divided by (x2 – 8)?

What are the roots of the polynomial equation ? Use a graphing calculator and a system of equations.

If f(–2) = 0, what are all the factors of the function ? Use the Remainder Theorem.