Algebraic Expressions and Identities Class 8 Extra Questions

CBSE Notes for Algebraic Expressions and Identities Class 8 Extra Questions

• Algebraic expressions are expressions formed from the variables and the constants. A variable can take any value. The value of an expression changes with the value chosen for variables it contains.
• A number line has infinite number of points. A variable can take position on number line.
• Expressions containing one, two or three terms are called monomial, binomial and trinomial respectively.
• Any expression having one or more terms is called polynomial.
• A monomial is obtained on multiplying any monomial with another monomial.
• The numerical factor of a term is called its coefficient.
• An identity is a standard equality which is true for all the values of the variables in the equality. Please refer Algebraic Expressions and Identities Class 8 Extra Questions for more information.