Match the vocabulary word with the correct definition.

1. infinite
a circle filled in to show that the point is a part of the solution set
2. open circle
a circle not filled in to show that the point is a border value and is not included as part of the solution set
3. inequality
statement showing a relationship between numbers or expressions that are not necessarily equal; uses the symbols >, <, ≥, ≤, or ≠
4. closed circle
increasing or decreasing without end