Answer:
The answers to your questions are given below.
Explanation:
Polynomial 1:
12x² + 23x – 2
Name by degree: Quadratic because the highest power in the equation is 2.
Polynomial 2:
7x + 2
Name by number of terms: Binomial because the equation has two terms
Polynomial 3:
12
Name by degree: Constant because it has no variable
Name by number of terms: Monomial because it has only one term.