Answer
The polynomial given is a monomial.
Step-by-step explanation
The term used to describe any polynomial depends on how many terms are in the polynomial.
•monomial
A polynomial with only one term.
•other polynomial
A polynomial with more than three terms.
•binomial
A polynomial with only two terms.
•trinomial
A polynomial with only three terms.
For this question,
The polynomial = -15
The polynomial has only one term, hence, this is a monmial.
Hope this Helps!!!