4MA0 Foundation January 2016 Paper 2R Q15
15
(a) Simplify \(e + e + e + e\) (1)
(b) Simplify \(4c^2 + 3c^2 - 5c^2\) (1)
(c) Simplify \(7a + 5b - 2a - 9b\) (2)
(d) Simplify \(7p \times 2q\) (1)
(e) Simplify \(x^7 \times x^2\) (1)
(f) Simplify \(y^9 \div y^3\) (1)
| Scheme | Marks |
|---|---|
| \(4e\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(2c^2\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| M1 | |
| \(5a - 4b\) | A1 |
| (2) |
Notes
M1: \(5a\) or \(-4b\)
| Scheme | Marks |
|---|---|
| \(14pq\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(x^9\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(y^6\) | B1 |
| (1) | |
| Total 7 marks |