Classifying Polynomials and +/- Polynomials

Which of the following expressions are in standard form? Select all that apply.

• 8x⁷ - 12x² + 4x³ - 11x⁴

• x⁵ - 3x³ + x +10

• 6x⁶ - 4x⁵ + 8x⁴ + 7x -11x³

• 9x³ - 17x² + 8x - 32

Classify the following expression by terms and degrees. Select all that apply.

4x³ - 16x² + 8

• Quadratic

• Monomial

• Trinomial

• Binomial

• Cubic

Classify the following expression by terms and degrees. Select all that apply.

14x² - 28x - 7

• Trinomial

• Cubic

• Linear

• Quadratic

• Binomial

Select all expressions that are 5th degree polynomials.

• 3x³yz

• 6x⁵y² + 18x³y²

• 5x⁸ + 15x⁵

• 8a⁴b

• 8n⁵ + 12n³ - 16n² + 64n

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

• None of these

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

• None of these

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x

• None of these

What is the degree of the polynomial 3x⁴ + 2x² + 5x ?

• 1

• 2

• 3

• 4

What is the perimeter of the rectangle?

• x²+8x-5

• 2x²+16x-10

• 2x²+10x-8

• 6x-2

(5x⁴ - 4x³ - 2x² + x - 19) - (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ - 9x³ - 10x² - 24

• 4x⁴ - 9x³ - 10x² - 2x - 24

• 4x⁴ - 9x³ - 10x² + 2x - 24

• -4x⁴ - 9x³ - 10x² - 24