Polynomial Operations

Each week, Brynnlee pays for lunch for her friends. Write an expression that represents her total cost for the month.

A rectangle has width (2x + 3) and length (2x - 4).  What is the perimeter of the rectangle?

Find the sum.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

(x +2)(x + 3)

• x² + 5x + 6

• x² + x + 6

• x² + 5x + 5

• x² + 6x + 6

(2x - 1)(x + 2)

• 2x² + 3x - 2

• 2x² - 5x - 2

• 2x² + 3x + 2

• 2x² - 5x + 2

What is the degree of the polynomial? 5x⁵ - 6x⁶ + 2

• 1

• 5

• 6

• 11

Which of the following are examples of like terms?

• 2 and 2x

• y³ and x³

• y and x

• -3x and 3x

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

• monomial

• binomial

• trinomial

• polynomial

(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2

• x + 2

• 2x² + x - 10

• x - 10