Quiz No. 2

What is the sum of 2a and - 6a?

• 4a

• -4a

• 8a

• -12a^2

Which of the following polynomials is a trinomial in form?

• x^2 + 4x

• -82 abc

• 2y^2 + 5y - 8

• 23b + 7

What is the product of 12ab and - 2b?

• -24ab^2

• 24a^2 b

• 14ab

• -24ab

What is the difference of 23am and - 7am?

• 16am

• -16am

• 30am

• 30

What is 18xy divided by 2xy?

• 20xy

• 16xy

• 36xy

• 9xy