4MA0 Foundation June 2017 Paper 1 Q11
11
(a) Simplify \(x^2 + x^2 + x^2\) (1)
(b) Simplify \(4e + 2f - 6e + 7f\) (2)
(c) Simplify \(2 \times a \times 4 \times b\) (1)
(d) Solve \(\dfrac{w}{4} = 12\) (1)
(e) Solve \(5y + 2 = 14\) (2)
| Scheme | Marks |
|---|---|
| \(3x^2\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| M1 | |
| \(-2e + 9f\) oe | A1 |
| (2) |
Notes
M1: for \(-2e\) or \(9f\)
| Scheme | Marks |
|---|---|
| \(8ab\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| 48 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
E.g. \(5y = 14 - 2\) or \(-5y = 2 - 14\) or \(y + \dfrac{2}{5} = \dfrac{14}{5}\) | M1 |
| \(\dfrac{12}{5}\) oe | A1 |
| (2) | |
| (7 marks) |
Notes
M1: for a correct first step
A1: for \(\dfrac{12}{5}\) oe E.g. \(2\dfrac{2}{5}\) or 2.4