Unit 3 Polynomials Unit Test

Find the sum.

(2x² + 5x - 7) + (3 - 4x² + 6x)

• -2x² + 11x - 4

• -2x² - 11x - 4

• 2x² + 5x - 7

• 2x² + 3x + 1

Find the difference.

(3 - 2x + 2x²) - (4x - 5 + 3x²)

• -2x² + 11x - 4

• x² + 6x + 8

• -x² - 6x + 8

• 2x² + 5x - 7

Simplify each expression.

(6x + 4x⁴ - 3x²) + (7x⁴ + 5x² +8x)

• 16x⁴ + x² + 14x

• 11x⁴ + 2x² + 14x

• 11x⁴ + x² + 14x

• 11x⁴ + 2x² + 10x

Multiply (x − 3) (6x − 2).

• 6x² + 6

• 6x² + 20x - 6

• 6x + 6

• 6x² - 20x + 6

Multiply

(5x + 2)(x² - 3x + 6)

• 5x³ + 17x² - 24x + 12

• 5x³ + 13x² - 24x - 12

• 5x³ - 17x² + 24x + 12

• 5x³ - 13x² + 24x + 12

Which is an example of a linear polynomial?

• 6x + 4

• x² - 5

• 5x⁵

• 2x³ - 9x²

Name the following polynomial using the degree and number of terms.

4a² +a - 10

• Constant

• Quadratic Binomial

• Quadratic Trinomial

• Linear Trinomial

If you were dividing x6 + 4x3 + 2, how many 0's would you need when setting up the top row of your synthetic division?

x⁶ + 4x³ + 2

• 4

• 0

• 6

• 2

Divide

(2x³ - 5x - 7) + (x - 2)

• 2x² + 4x + 3 - 1/(x-2)

• 2x³ - 4x² + 3x - 13

• 2x³ + 4x² + 3x - 1

• 2x² - 4x + 3 - 13/(x-2)

What is the degree of the given polynomial?

-6a⁴ + 10a³

• Degree 2

• Degree 1

• Degree 3

• Degree 4