- Books Name
- class 7 Mathematics Book

- Publication
- ReginaTagebücher

- Course
- CBSE Class 7

- Subject
- Mathmatics

**Types of algebraic expressions. Binomials**

*Any algebraic expression with two terms is called a binomial expression. a binomial expression has only two terms. This is the reason why it is called a binomial (prefix 'bi' stands for 'two').*

*Degree in an algebraic expression is the sum of the exponents of the variables in the expression.*

*Example:* *7xy ^{2}−3y^{2}z here*

*When multiplying or dividing a monomial by a number, multiply or divide only its coefficient.*

*Example:*

*6x⋅5=30x;−0,5zy⋅2=−zy;4x ^{2}:2=2x^{2}*

*A binomial is an algebraic sum of monomials.*

*Example:*

3x+2y;4xy−6y^{2}

When multiplying or dividing a binomial by a number, each term is multiplied or divided.