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Chapter 2
Intro to Algebra
Term | Definition |
---|---|
Variable | a letter or symbol that represents a quantity that can change. |
Constant | a quantity that does not change. |
Algebraic Expression | an expression (no equal sign) that contains one or more variables and may contain operation symbols. |
Evaluate | when you substitute a number for the variable and then find the value by simplifying. |
Equation | a mathematical statement that two expressions are equal. |
Solution | if a value for a variable makes an equation true, that value is a solution for the equation. |
Inverse Operation | operations that undo each other. |