Expressions | Meaning | Example |
Monomial | Any expression which has only one term. | 5x2, 7y, 3ab |
Binomial | Any expression which has two, unlike terms. | 5x2 + 2y, 2ab – 3b |
Trinomial | Any expression which has three, unlike terms. | 5x2 + 2y + 9xy, x + y – 3 |
Polynomial | Any expression which has one or more terms with the variable having non-negative integers as an exponent is a polynomial. | 5x2 + 2y + 9xy + 4 and all the above expressions are also polynomial. |
All the expressions like monomial, binomial and trinomial are also polynomials.