Adding polynomials

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

• monomial
• binomial
• trinomial
• polynomial

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

• 7x - 7x + 5x²
• 5x² + 2x - 2
• 5x²
• 5x² + 6x + 8

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

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

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

• 1
• 2
• 3
• 4

What is the degree of the polynomial 17x + 4

• 0
• 1
• 2
• 3

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

• 1
• 2
• 3
• 0

What is the degree of the polynomial 3x²y + 2x² + 5xy³ ?

• 1
• 2
• 3
• 4

What is the degree of this term?
-7xyz²

• 3
• 4
• -7
• 7