Two terms is a binomial.
More than two terms is a polynomial.
Binomials are not part of the set of polynomials.
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polynomials have 4 or more terms. I learned about that today in my math class. monomial =1 binomial=2 trinomial=3 polynomial=4+
A trinomial is a polynomial with three terms.
It means finding numbers (constant terms), or polynomials of the same or smaller order that multiply together to give the original polynomial.
A polynomial discriminant is defined in terms of the difference in the roots of the polynomial equation. Since a binomial has only one root, there is nothing to take its difference from and so in such a situation, the discriminant is a meaningless concept.
Polynomials can be classified based on the number of terms they contain. A polynomial with one term is called a monomial, such as 5x or -2y^2. A polynomial with two terms is called a binomial, like 3x + 2 or 4y - 7. A polynomial with three terms is called a trinomial, for example, 2x^2 + 5x - 3. Polynomials with more than three terms are simply referred to as polynomials.