5A Practice Adding, Subtracting, and Multiplying Polynomials

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

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

• None of these

Classify by number of terms:

3x² – 8x + 1

• Monomial

• Binomial

• Trinomial

• 4-Term Polynomial

• Constant

Combine like terms: 3w - 8k + 12w + w - 5k

• 15w - 13k

• 16w - 13k

• 16w + 3k

• 15w + 3k

What is the perimeter of a rectangle, in terms of x, with length of 4x - 9 and a length of 8x + 2?

• 12x - 7

• 24x -14

Simplify:

• 9n³ + 4n
• 7n³ + 6
• -3n³ + 2
• 7n⁶ + 6

Which of the following are examples of like terms?

• 2 and 2x
• y³ and x³
• y and x
• -3x and 3x

Add or Subtract to Simplify:
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 
• -7n² - 8n + 3 
• -6n² - 8n + 3
• -7n² - 4n + 3

Add or Subtract to Simplify:
(5x + x² - 4) - (4x - x² + 6)

• 2x² + x + 2 
• x + 2
• 2x² + x - 10 
• x - 10 

What is the Perimeter?

• 3x - 3 inches

• 6x - 6 inches

• 3x - 6 inches

• 6x - 3 inches