Adding, Subtracting, and Classifying Polynomials

Simplify:

(4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5

Find the sum.

(3 - 2x + 2x²) + (4x - 5 + 3x²)

• 7x - 7x + 5x²

• 5x² + 2x - 2

• 5x²

• 5x² + 6x + 8

What is the name of the polynomial: 3x⁴ + 2x² + 5x

• cubic polynomial

• quartic binomial

• quartic trinomial

• cubic trinomial

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 14a - 7 
• 5a³ - 4a² - 20a - 7 
• 5a³ - 9a² - 20a - 7

Tags

CCSS.HSA.APR.A.1

Which expression is equivalent to

(5x + 2) + (4x + 5)

• 9x -7

• -9x-11

• 9x+7

• x+7

Add the polynomials (x-2) and (x²+3)

• x²+x+1
• x³+5
• x³+1
• x³-1

Tags

CCSS.HSA.APR.A.1

What is the perimeter of the rectangle?

• x² + 8x - 5

• 2x² + 16x - 10

• 2x² + 10x - 8

• 6x - 2

What is the perimeter of the triangle shown?

• 9r² + r - 5

• 9r⁴ + r² - 4

• 9r² - r + 4

• 9r² + r - 4

Simplify:

(4x²+ x) - (x²+ 2x)

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Simplify:

(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3