4400 Higher November 2008 Paper 3 Q8
8
(a) Simplify
(i) \(p^5 \times p\)
(ii) \(\dfrac{q^8}{q^3}\)
(2)(b) Expand and simplify \(3(4x - 1) - 4(2x - 3)\) (2)
(c) Expand and simplify \((y + 3)(y + 5)\) (2)
| Scheme | Marks |
|---|---|
| (i) Answer: \(p^6\) | B1 |
| (ii) Answer: \(q^5\) | B1 |
| (2) |
Notes
B1: cao
B1: cao
| Scheme | Marks |
|---|---|
| \(12x - 3 - 8x + 12\) | M1 |
| \(4x + 9\) | A1 |
| (2) |
Notes
M1: for 3 correct terms
A1: cao
| Scheme | Marks |
|---|---|
| \(y^2 + 5y + 3y + 15\) | M1 |
| \(y^2 + 8y + 15\) | A1 |
| (2) | |
| (6 marks) |
Notes
M1: for 3 correct terms or \(y^2 + 8y + c\) or \(... + 8y + 15\)
A1: cao