Question

Determine whether each expression is a monomial. Write yes or no and explain your reasoning.

21a2 3
1. 7b 2. 5x − 11 3. 2020

Answer 1

1. yes

2. no

3. yes

Explanation:

A monomial is one term.

1. Yes. 7b is one term.

2. No. 5x-11 is not one term. It is 2 terms.

3. Yes. 2020 is one term.