4MA0 Foundation January 2018 Paper 2R Q9
9
(a) Simplify \(e + e + e + e\) (1)
(b) Simplify \(p \times 4 \times q\) (1)
(c) Simplify \(5x - 4y + 3x + 7y\) (2)
(d) Factorise \(4ab + 7a^2 - a\) (2)
| Scheme | Marks |
|---|---|
| \(4e\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(4pq\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(8x + 3y\) | B2 |
| (2) |
Notes
B2: B1 \(8x\) or \(3y\)
| Scheme | Marks |
|---|---|
| \(a(4b + 7a - 1)\) | B2 |
| (2) |
Notes
B2: B1 for factors which, when expanded and simplified, give three terms, at least one of which is correct.