Unit Test — Unit test Answers

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

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

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.

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

The volume of a stack of identical circular drink coasters, each 1 centimeter thick, can be found using the function , where is the radius of a coaster. What does the constant 8 in the function represent?