Solving Polynomial Equations using Technology — Unit test Answers

Which expression is equivalent to ?

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?

According to the Rational Root Theorem, the following are potential roots of f(x) = 6x4 + 5x3 – 33x2 – 12x + 20., –2, 1, Which is an actual root of f(x)?

Which statement about the polynomial function g(x) is true?

Which expression is equivalent to ?

Which expression is equivalent to ?

Anja divides (8x3 – 36x2 + 54x – 27) by (2x – 3) as shown below. What error does Anja make?

Let a and b be real numbers where a b 0. Which of the following functions could represent the graph below?

What is the factored form of ?

Which expression is equivalent to ?

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

A polynomial function has a root of –6 with multiplicity 3 and a root of 2 with multiplicity 4. If the function has a negative leading coefficient and is of odd degree, which could be the graph of the function?

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