4400 Higher November 2008 Paper 3 Q2
2
(a) Factorise \(7p - 21\) (1)
(b) Solve \(4(x + 5) = 12\)
You must show sufficient working. (3)
You must show sufficient working. (3)
| Scheme | Marks |
|---|---|
| \(7(p - 3)\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(4x + 20\) seen | M1 |
| \(4x = 12 - 20\) | M1 |
| \(-2\) | A1 |
| (3) | |
| (4 marks) |
Notes
M1: for \(4x + 20\) seen
M1: for \(4x = 12 - 20\) or for \(4x = 12 - 5\) following \(4x + 5 = 12\)
or M2 for \(x + 5 = 3\)
or \(x + 5 = 3\) (M2)