Answer:
1)
- It is a monomial with two variables:
,
2)
- It is binomial reductible to a monomial due to like terms. Number of variables:
3)
- It is a monomial with three variables:
,
,
4)
- It is binomial equivalent to a monomial. Number of variables:
,
.
5)
- It is trinomial reductible to a binomial due to like terms. And equivalent to a constant. Number of variables:
,
Explanation:
We proceed to explain the context on each case and answer appropriately:
1)
- It is a monomial with two variables:
,
2)
- It is binomial reductible to a monomial due to like terms. Number of variables:
3)
- It is a monomial with three variables:
,
,
4)
- It is binomial equivalent to a monomial. Number of variables:
,
.
5)
- It is trinomial reductible to a binomial due to like terms. And equivalent to a constant. Number of variables:
,