Element: a member of a set
element a member of a set
inequality: < (less than), > (greater than), ≤ (less than or equal to), ≥ (greater than or equal to)
Line graph: visual tool used to illustrate solution sets
Real Number: positive or negative, rational or irrational numbers including zero
Set: a collection or group of objects indicated by braces, {}
Set Builder Notation: a shorthand way to write a set