4400 Higher June 2005 Paper 3 Q6
6
(a) Factorise \(9p + 15\) (1)
(b) Factorise \(q^2 - 4q\) (1)
(c) Factorise \(x^2 - 3x - 10\) (2)
| Scheme | Marks |
|---|---|
| \(3(3p + 5)\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(q(q - 4)\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \((x + 2)(x - 5)\) | B2 |
| (2) | |
| (4 marks) |
Notes
B2: (B1 for one correct factor or signs reversed)