### What is monomial? What is Polynomial?

Monomial has only one term with the product of a number and a variables, such as, -3x. Monomial can be the product of different variables and the variable has only integer exponent, such as
(1/2)xy^{2 or -x2}y^{3}. Monomial can be a number or a variable, such as, 7 or x. Monomial requires the variable to have only positive integer exponent.