4400 Higher November 2008 Paper 4 Q17
17
(a) Factorise \(2x^2 + 5x + 3\) (2)
(b) Factorise \(4y^2 - 9\) (2)
| Scheme | Marks |
|---|---|
| \((2x + 3)(x + 1)\) | B2 |
| (2) |
Notes
B2: B1 if expansion wd give 2 correct terms
| Scheme | Marks |
|---|---|
| \((2y + 3)(2y - 3)\) | B2 |
| (2) | |
| (4 marks) |
Notes
B2: B1 if expansion wd give 2 correct terms