Final answer:
An algebraic expression is an expression that contains variables or a combination of constants and variables with one or more operators. It represents a mathematical relationship or operation.
Step-by-step explanation:
An algebraic expression is an expression that contains variables or a combination of constants and variables with one or more operators. It represents a mathematical relationship or operation.
For example, the expression 3x + 2 is an algebraic expression. It has the variable x and the constants 3 and 2, and the operator +.
Algebraic expressions are commonly used in solving equations, simplifying expressions, and representing real-world problems in mathematics.