4400 Higher November 2010 Paper 4 Q9
9
Write down the 3 inequalities that define the shaded region.
(3)
| Scheme | Marks |
|---|---|
| \(x \geqslant 1\) | B1 |
| \(y \geqslant 2\) | B1 |
| \(x + y \leqslant 8\) oe | B1 |
| (3) | |
| (3 marks) |
Notes
B1: for \(x \geqslant 1\) or \(x > 1\) oe
B1: for \(y \geqslant 2\) or \(y > 2\) oe
B1: for \(x + y \leqslant 8\) or \(x + y < 8\) oe
SC B1 if all inequalities reversed