Graphs of Polynomial Functions — Unit test Answers

The side length, s, of a cube is 3x + 2y. If V = s3, what is the volume of the cube?

One root of a third degree polynomial function f(x) is –5 + 2i. Which statement describes the number and nature of all roots for this function?

Carlos graphs the equations and and generates the graph below. Which conclusion is supported by the graph?

Which is a factor of f(x) = 60x4 + 86x3 – 46x2 – 43x + 8? Use the Rational Root Theorem to help you find your answer.

Which statement about the simplified binomial expansion of (a + b2)n, where n is a positive integer, is true?

Vicky is solving an equation where both sides are linear expressions. She sets each linear expression equal to y and graphs the resulting system. If the y-intercepts of the graphs are the same but the slopes are different, what is the greatest possible number of intersections for these graphs?

What is the end behavior of the graph of the polynomial function f(x) = –x5 + 9x4 – 18x3?