4400 Higher June 2010 Paper 3 Q4
4
(a) Multiply out \(5(n + 6)\) (1)
(b) Simplify \(y \times y \times y \times y \times y \times y\) (1)
(c) Solve \(4(x - 2) = 3\) (3)
| Scheme | Marks |
|---|---|
| \(5n + 30\) | B1 |
| (1) |
| Scheme | Marks |
|---|---|
| \(y^6\) | B1 |
| (1) |
Notes
B1: cao
| Scheme | Marks |
|---|---|
| \(4x - 8 = 3\) | M1 |
| \(4x = 8 + 3\) or \(4x = 11\) | M1 |
| \(2\frac{3}{4}\) oe | A1 |
| (3) | |
| (5 marks) |
Notes
M1: for correct expansion of \(4(x - 2)\) or for either \(4x = 3 + 2\) or \(4x = 5\) following \(4x - 2 = 3\)
M1: for \(4x = 8 + 3\) or \(4x = 11\)
A1: dep on 2 method marks
M2 for \(x - 2 = \frac{3}{4}\)