4400 Higher June 2006 Paper 3 Q7
7
Diagram NOT accurately drawn
Work out the value of \(x\).
(3)
| Scheme | Marks |
|---|---|
| \(7.5^2 - 7.2^2\) or 4.41 | M1 |
| \(\sqrt{7.5^2 - 7.2^2}\) | M1 |
| 2.1 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: for squaring and subtracting
M1: (dep) for square root
A1: cao