Graphing Polynomial Functions — Unit test Answers

What is the factored form of ?

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

Dylan uses the expressions (x2 – 2x + 8) and (2x2 + 5x – 7) to represent the length and width of his bedroom. Which expression represents the area (lw) of Dylan’s room?

What is the quotient of (2x4 – 3x3 – 3x2 + 7x – 3) ÷ (x2 – 2x + 1)?

What is the cube root of

The price that a company charged for a computer accessory is given by the equation where x is the number of accessories that are produced, in millions. It costs the company $10 to make each accessory. The company currently produces 2 million accessories and makes a profit of 100 million dollars. What other number of accessories produced yields the same profit?

Which expression is equivalent to ?

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

Subtract 15mn – 22m +2n from 14mn – 12m +7n.

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

Which expression is equivalent to ?

You can use a system of equations to graph and solve the polynomial equation . Which statement is true?

What are the coefficients for the binomial expansion of (a + b)3?

The area of a rectangle is (x3 – 5x2 + 3x – 15), and the width of the rectangle is (x2 + 3). If area = length × width, what is the length of the rectangle?

Which expression is equivalent to ?