| A | B |
|---|
| Variable | A letter that is used to represent one or more numbers. |
| Equation | A statement formed when an equal sign is placed between two expressions. |
| Inequality | A sentence formed when an inequality symbol is placed between two expressions. |
| Function | A rule that establishes a relationship between two quantities, called the input and the output. |
| Domain | The collection of all input values. |
| Range | The collection of all output values. |
| Base | The number or variable that is used as a factor in repeated multiplication. |
| Exponent | The number or variable that represents the number of times the base is used as a factor. |
| Order of operations | The rules established to evaluate an expression involving more that one operation. |
| Open sentence | An equation that contains one or more variables. |
