Adding,Subtracting ,and Multiplying Monomials

Which of the following is a monomial?

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

-20x⁶ + (-10x⁶)

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

Tags

CCSS.7.EE.A.1

10m²n + 7mn² - m²n

• 9m²n + 7mn²

• 16m²n

• 17m²n - mn²

• No change

Tags

CCSS.7.EE.A.1

Multiply (6m³n³ )(8m²n³)

• 48m⁵n⁹

• 48m⁶n⁶

• 48m⁵n⁶

• none of the above

Tags

CCSS.HSA.APR.A.1

(2y²)(4xy³)+(3xy⁴)(5y)

• 23x²y¹⁰

• 120xy⁵

• 120x²y¹⁰

• 23xy⁵

Tags

CCSS.HSA.APR.A.1

How confident do you feel on this section over all on a scale of 1 to 4?( 1 is I'm lost, and 4 is I got this 100%)

• 1

• 2

• 3

• 4

Tags

CCSS.8.EE.C.7B