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A monomial is a mathematical number that stands alone and does not have a negative exponent. “Mono” refers to “one.” For example: 14x2 is a monomial as it stands alone. 26 is also a monomial. However, 9x-3 is not because the exponent is a negative.
A binomial consists of two monomials linked together with either an addition sign (+), a minus sign (-) or a multiplication sign (x). For example: 11x4 + 7x2.
A trinomial consists of three monomials linked together with either an addition sign (+), a minus sign (-) or a multiplication sign (x). For example: 6x5 + 5x2 - 4.
A polynomial consists of multiple monomials linked together. “Poly” means many. For example: 10x4 + 3x2 - 4 + 5x. In truth, a binomial and a trinomial can also be referred to as polynomial but generally a polynomial will have at least four monomials or terms as each monomial or number is also referred to as a “term.”
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