Adding & Subtracting Polynomials Review

Which of the following are examples of like terms?

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

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Combine like terms to simplify:
 (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

(5x - y) + (2x + 6y)

• 7x + 7y
• 7x + 5y
• 7x + 6y
• 3x - 5y

Add or Subtract to Simplify:
(4x²+ x) - (x²+ 2x)

• 3x² - x
• 4x² + 2x
• 3x² + 3x
• 3x² + 2x

Subtract: (2a² + 5a + 3) -(a² - 3a - 4)

• 3a² + 2a - 1
• a² + 8a + 7
• 3a² + 8a + 7
• a² + 2a - 1

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

• monomial
• binomial
• trinomial
• polynomial

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

• 1
• 2
• 3
• 4

What is the perimeter of the triangle shown?

• 9r²+r-5
• 9r⁴+r²-4
• 9r²-r+4
• 9r²+r-4