| No | Description | Difficulty | Syllabus | Level | |
|---|---|---|---|---|---|
| 1 | Intersection of: Ax+By=C and Dx-Fy=E. A,B,C,D,E,F are positive; 2NI | Intermediate | GCSE | Intermediate | Related material |
| 2 | ax+by=c; dx+ey=f; int solns; det !=0; a,b,c,d,e,f +/- ve; 2NI | Easy | GCSE | Intermediate | Related material |
| 3 | ax+by=c; dx+ey=f; det !=0; a,b,c,d,e,f +/- ve; 2NI | Intermediate | GCSE | Intermediate | Related material |