4400 Higher June 2008 Paper 4 Q4
4
(a) Find the value of \(3 - 5x\) when \(x = -2\) (2)
(b) Multiply out \(5(y - 2)\) (1)
(c) Factorise \(w^2 + 5w\) (2)
| Scheme | Marks |
|---|---|
| \(3 - 5 \times -2\) | M1 |
| 13 | A1 |
| (2) |
| Scheme | Marks |
|---|---|
| \(5y - 10\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(w(w + 5)\) | B2 |
| (2) | |
| (5 marks) |
Notes
B2: B1 for two factors that multiply to give at least one correct term.
SC \(w(w + 5w)\) B1