Foundation June 2018 Paper 2 Q8
8
(a) Find the value of \(25 - 4g\) when \(g = -3\) (2)
(b) Expand and simplify \(x(2x + 1) + 3(x - 2) + 7\) (3)
| Scheme | Marks |
|---|---|
| 25 – 4 × − 3 or 25 − − 12 or 25 + 12 | M1 |
| 37 | A1 |
| (2) |
Notes
M1: Correct substitution
| Scheme | Marks |
|---|---|
| \(2x^2 + x\) | M1 |
| (+)\(3x - 6\) | M1 |
| \(2x^2 + 4x + 1\) | A1 |
| (3) | |
| (5 marks) |
Notes
M1: indep
A1: cao