1MA0 Higher November 2012 Paper 1 Q17
17 The lines \(y = x - 2\) and \(x + y = 10\) are drawn on the grid.
On the grid, mark with a cross (×) each of the points with integer coordinates that are in the region defined by
\[\begin{aligned} y &\gt x - 2 \\ x + y &\lt 10 \\ x &\gt 3 \end{aligned}\](3)
| Answer | Mark | Notes |
|---|---|---|
| (4,3), (4,4), (4,5), (5,4) marked | 3 | M2 for identifying the correct region or at least 3 correct points with no more than 3 incorrect points (M1 for drawing \(x = 3\) (solid or dashed line) or at least 1 correct point with no more than 3 incorrect points) A1 cao |