Monomials (add, multiply, powers of)

Simplify: 2x² + 3y - 2x + 5y + 2x

• 2x² + 8y

• 2x + 8y

• 2x + 5y

• 2x² + 4x + 8y

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

•  $31c^2d^2$  

•  $9c^2d^2$  

•  $-9c^2d^2$  

•  $-31c^2d^2$  

Find the sum of 16y² and -5y².

• -11y²

• 21y²

• 11y²

• 16y² - 5y²

Combine like terms $7p^2-5p^3+6p^3+4p^4-9p^2$  

•  $4p^4+p^3-2p^2$  

•  $4p^4+p^6-2p^4$  

•  $4p^4+p^3+2p^2$  

•  $3p^{14}$  

(2y²)(4xy³)+(3xy⁴)(5y)

• 23x²y¹⁰

• 120xy⁵

• 120x²y¹⁰

• 23xy⁵

Which number is the EXPONENT?

4²

• 4

• 2

• 16

 $x^5\cdot x^7$  

•  $x^{11}$  

•  $x^{12}$  

•  $x^{10}$  

•  $x^9$  

 $6a^3\cdot4a^6$  

•  $24a^{10}$  

•  $24a^9$  

•  $10a^9$  

•  $-24a^9$  

a⁴ · a³ · a · a⁶ =

• a¹⁴

• a¹³

• a¹²

• None of the above

Find the product of
(x⁶)(xy²)

• x⁶y²
• x⁷y²