A expression having only one term is called monomial.
[tex]Eg:- 3x, { - 4y}^{2} , \frac{3}{2} yz [/tex]
A expression having two terms is called Binomial.
[tex]Eg: 2x - 3y \: , {4x}^{2} + 5zx[/tex]
A expression having three terms is called trinomial.
[tex]Eg: - 3p + 5q - \frac{2}{5} pq[/tex]
