Exemplar Questions
| 1. | To ditermine the points are collinear or not Difficulty: medium | 
                                    
                                    1
                                 | 
| 2. | To ditermine the points are collinear or not Difficulty: medium | 
                                    
                                    2
                                 | 
Practice Questions
| 1. | Case study: Distance formula Difficulty: hard | 
                                    
                                    5
                                 |