| Exam Board | OCR MEI |
| Module | C1 (Core Mathematics 1) |
| Year | 2006 |
| Session | January |
| Topic | Quadratic Functions |
9
- Find the range of values of \(k\) for which the equation \(x ^ { 2 } + 5 x + k = 0\) has one or more real roots.
- Solve the equation \(4 x ^ { 2 } + 20 x + 25 = 0\).