| Geometric Representation | Inequality | Notation | Name |
|---|---|---|---|
| 1 < x < 3 | (1;3) | interval | |
| x ≥ 2 | [2;+∞) | interval | |
| x < 10 | (−∞;10) | interval | |
| x > 0 | (0;+∞) | interval | |
| x ≥ -7 | [-7;+∞) | interval | |
| 10 ≤ x ≤ 15 | (10;15] | interval | |
| x > -4 | (-4;+∞) | interval | |
| -5 < x ≤ 6 | [-4;0) | interval | |
| x ≤ 8 | (−∞;8] | interval |