4MA0 Foundation June 2012 Paper 2 Q13
13
(a) Solve \(3y = 24\) (1)
(b) Simplify
(i) \(r \times 6 \times t\)
(ii) \(3m + 7m - 2m\)
(iii) \(a^3 + a^3\)
(3)(c) \(W = 4x + 5y\)
Work out the value of \(W\) when \(x = -2\) and \(y = 3\) (2)
Work out the value of \(W\) when \(x = -2\) and \(y = 3\) (2)
| Scheme | Marks |
|---|---|
| 8 | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| (i) Answer: \(6rt\) oe | B1 |
| (ii) Answer: \(8m\) oe | B1 |
| (iii) Answer: \(2a^3\) oe | B1 |
| (3) |
Notes
B1: Do not accept × signs
| Scheme | Marks |
|---|---|
| – 8 + 15 | M1 |
| 7 | A1 |
| (2) | |
| (Total 6 marks) |
Notes
M1: M1 for 4 × –2 and 5 × 3 or – 8 and 15