| Exam Board | Pre-U |
|---|---|
| Module | Pre-U 9794/1 (Pre-U Mathematics Paper 1) |
| Year | 2015 |
| Session | June |
| Marks | 3 |
| Topic | Inequalities |
| Type | Solve quadratic inequality |
| Difficulty | Easy -1.2 This is a straightforward quadratic inequality requiring factorization to (x-4)(x+3)<0 and identifying the interval between roots. It's simpler than average A-level questions as it involves only basic factorization and sign analysis with no complications. |
| Spec | 1.02g Inequalities: linear and quadratic in single variable |
Use factorisation, the quadratic formula or a graph to locate zeros.
$-3$ and $4$ or $(x+3)(x-4)$ seen [M1]
Obtain $-3 < x < 4$ [A1, A1]
**Total: [3]**1 Find the set of values of $x$ for which $x ^ { 2 } - x - 12 < 0$.
\hfill \mbox{\textit{Pre-U Pre-U 9794/1 2015 Q1 [3]}}