Adding & Subtracting Monomials

Is 5ab² a monomial?

• Yes
• No

Which of the following is a monomial?

• 8x + 5
• 3xy²
• 4x³ - 7y²
• 9x⁵ + 3x⁴ - 2x

Simplify: -20x⁶ + -10x⁶

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

Find the sum of 16y² and -5y².

• -11y²

• 21y²

• 11y²

• 16y² - 5y²

Simplify: 2x² + 3y - 2x + 5y + 2x

• 2x² + 8y

• 2x + 8y

• 2x + 5y

• 2x² + 4x + 8y

Simplify: 10m²n + 7mn² - m²n

• 9m²n + 7mn²

• 16m²n

• 17m²n - mn²

• No change

Simplify the following expression: 2c³ + 8c³

• 10c⁶

• 10c⁹

• 10c³

• 10 + c³

Simplify the following monomials: $16ab^3-43ab^3$  

•  $59ab^3$  

•  $-27ab^3$  

•  $27ab^3$  

•  $-59ab^3$  

Simplify the following monomial: $11c^2d^2-20c^2d^2$  

•  $31c^2d^2$  

•  $9c^2d^2$  

•  $-9c^2d^2$  

•  $-31c^2d^2$  

Simplify the following monomial:  $-5a^2b^{2\ }-\ a^2b^2$  

•  $-6a^2b^2$  

•  $-4a^2b^2$  

•  $6a^2b^2$  

•  $6a^2b^2$