Higher January 2022 Paper 2 Q13
13 The shaded region in the diagram is bounded by three lines.
The equation of one of the lines is given.

Write down three inequalities that define the shaded region.
(3)
| Scheme | Marks |
|---|---|
| \(x \geqslant -1\) | B1 |
| \(y \geqslant x\) | B1 |
| \(x + 2y \leqslant 8\) | B1 |
| SCB1 | |
| (3) | |
| (3 marks) |
Notes
B1: oe condone \(\gt\) in place of \(\geqslant\)
B1: oe condone \(\gt\) in place of \(\geqslant\)
B1: oe condone \(\lt\) in place of \(\leqslant\)
SCB1: if all inequalities reversed