| A | B |
|---|
| Addition Property of Equality | If a = b, then a + c = b + c. |
| Coefficient | the number by which a certain variable in a term is multiplied. |
| Inequality | a sentence with one of the following symbols: /=, <, >, <=, >=. |
| Multiplication Property of Equality | If a = b, then ac = bc. |
| Order of Operation | rules for evaluating an expression: 1. work within parentheses. 2. calculate all powers. 3. multiplication / division left to right. 4. addition / subtraction left to right. |
| Like Terms | terms that involve the same variables, such as 3ab and 7ab. |
| Reciprocal | another name for a multiplicative inverse; a number which, when multiplied by a given number, yeilds a product of 1. |
| Solving an Open Sentence | finding values of the unknown(s) in an open sentence that make it true. |
| Unlike Terms | terms that involve different variables or the same variables with different exponents. |
| Variable | a symbol, usually a letter, used to represent a number in mathematical sentences. |
