Variable Expressions and Equations
VariablesA quantity that can change or vary, taking on different values.
A letter or symbol representing a varying quantity, for example, n in 10 + n Variables may be represented by any letter of the alphabet. 6 - z, |
ExpressionsDefinition: An expression consists of a combination of numbers, operation symbols, and grouping symbols such as parentheses ( ). An algebraic expression is an expression that contains one or more variables.
Examples of expressions and algebraic expressions are as follows 3 + 4 3 x (c + 8) 2 x a x Notice that an expression does not contain an equals sign (=). |