| Exam Board | OCR |
|---|---|
| Module | C3 (Core Mathematics 3) |
| Year | 2008 |
| Session | June |
| Marks | 4 |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Modulus function |
| Type | Solve |linear| = |linear| (both linear inside) |
| Difficulty | Moderate -0.5 This is a straightforward modulus equation requiring students to consider cases where expressions are positive or negative. The solution involves standard algebraic manipulation with linear expressions, making it slightly easier than average but still requiring systematic case analysis. |
| Spec | 1.02l Modulus function: notation, relations, equations and inequalities |
1 Find the exact solutions of the equation $| 4 x - 5 | = | 3 x - 5 |$.
\hfill \mbox{\textit{OCR C3 2008 Q1 [4]}}