4MA0 Higher January 2016 Paper 3R Q2
2
(a) Factorise fully \(18c - 27\) (2)
(b) Expand and simplify \((t - 4)(t + 5)\) (2)
| Scheme | Marks |
|---|---|
| \(9(2c - 3)\) | B2 |
| (2) |
Notes
B2: Award B1 for \(3(6c - 9)\)
| Scheme | Marks |
|---|---|
| \(t^2 - 4t + 5t - 20\) | M1 |
| \(t^2 + t - 20\) | A1 |
| (2) |
Notes
M1: For three correct terms out of four or for four terms correct except for signs.