Unit Test

Question 1

According to the Rational Root Theorem, which is a factor of the polynomial f(x) = 3x3 – 5x2 – 12x + 20?

Revolt · Accepted Answer

3x – 5

Question 2

Which are factors of x2 – 4x – 5? Select two options.(x – 5)(x – 4)(x – 2)(x + 1)(x + 5)

Question 3

The diagram represents a difference of squares.

Revolt · Accepted Answer

(m – 6)(m + 6)

Question 4

How could Brent use a rectangle to model the factors of x2 – 7x + 6?

Revolt · Accepted Answer

He could draw a diagram of a rectangle with dimensions x – 1 and x – 6 and then show the area is equivalent to the sum of x2, –x, –6x, and 6.

Question 5

What is the greatest common factor of the terms in the polynomial 8x4 – 4x3 – 18x2?

Revolt · Accepted Answer

2x2

Unit Test Answers