Monomial Operations Quiz

What is a monomial?

• A single term expression

• A two-term expression

• A three-term expression

• A four-term expression

What must be the same in monomials to add or subtract them?

• Variables and exponents

• Coefficients

• Constants

• Signs

What should you not change when adding or subtracting monomials?

• Variables and exponents

• Coefficients

• Constants

• Signs

17x + (-25x)?

• -8x

• 8x

• 42x

• -42x

-23y² + 6y²?

• -17y²

• 17y²

• -29y²

• 29y²

-15a³bc + 6a³bc?

• -9a³bc

• 9a³bc

• -21a³bc

• 21a³bc

38x²y - x²y

• 37x²y

• -37x²y

• 39x²y

• -39x²y

2/5 cd² + -1/3 cd²?

• 1/15 cd²

• -1/15 cd²

• 1/5 cd²

• -1/5 cd²

-25x⁴y³ + (-25x⁴y³)

• -50x⁴y³

• 50x⁴y³

• 0

• -25x⁴y³

What is the result of subtracting 3z from 9z?

• 6z

• -6z

• 12z

• -12z