| A | B |
|---|
| absolute value | distance a number is from zero |
| empty set | solution set with no members |
| variable | letters or symbols used to represent an unknown value |
| set-builder notation | another way to write solution sets EX: {x| x > 2} |
| equation | states two mathematical expressions are equal |
| order of operations | order to perform mathematical operations |
| solution | value that replaces a variable to make an equation true |
| compound inequality | two inequalities combined by the words "and" or "or" |
| formula | expresses a relationship between certain quantities |
| open sentence | contains variables that can be replaced with numbers |
