Answer:
Written in explanation
Explanation:
Polynomial 1:
Simplified form:

Name by number of terms:
There are 3 terms, so this is a trinomial.
Polynomial 2:
Name by degree: The highest power of x is 1, so this is linear.
Name by number of terms: There are two terms, so this is binomial.
Polynomial 3:
Simplified Form:

Name by degree: There are no x terms, so this is a constant.