Answer: B. binomial.
Step-by-step explanation:
1. You can classify polynomials based on the number of terms the polynomial has:
- If it has one term is classified as a monomial.
- If it has two term is classified as a binomial.
- If it has three terms is classified as a trinomial.
2. The polynomial has two terms. Therefore, the correct clasification is: binomial.
3. Then, the correct answer is the option B.