Adding and Subtracting Monomials

Which of the following is a monomial?

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

Tags

CCSS.HSA.APR.A.1

Simplify the following expression: 2c³ + 8c³

• 10c⁶

• 10c⁹

• 10c³

• 10 + c³

Tags

CCSS.HSA.APR.A.1

-20x⁶ + (-10x⁶)

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

Tags

CCSS.HSA.APR.A.1

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

•  $-6a^2b^2$  

•  $-4a^2b^2$  

•  $6a^2b^2$  

•  $6a^2b^2$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

2x² + 3y - 2x + 5y + 2x

• 2x² + 8y

• 2x + 8y

• 2x + 5y

• 2x² + 4x + 8y

Tags

CCSS.6.EE.A.3

10m²n + 7mn² - m²n

• 9m²n + 7mn²

• 16m²n

• 17m²n - mn²

• No change

Tags

CCSS.7.EE.A.1

Simplify the following monomial: $16x^2y-4xy^2-5x^2y+10xy^2$  

•  $6xy^2+21x^2y$  

•  $11x^2y\ +6xy^2$  

•  $6x^2y+11xy^2$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

Find the sum of 16y² and -5y².

• -11y²

• 21y²

• 11y²

• 16y² - 5y²

Tags

CCSS.HSA.APR.A.1

Subtract 9a from -15a.

• -6a

• -24a

• 24a

• 6a

Tags

CCSS.7.EE.A.1

From  $-9xy^2$  subtract  $6xy^2$  

•  $-3xy^2$  

•  $3xy^2$  

•  $-15xy^2$  

•  $15xy^2$  

Tags

CCSS.HSA.APR.A.1