Foundation June 2018 Paper 1R Q5
5 \(A\), \(B\) and \(C\) are three points marked on a grid.
(a) On the grid, draw the line with equation \(x = -3\)
Label the line L. (1)
Label the line L. (1)
\(M\) is the midpoint of \(AB\).
(b) Find the coordinates of \(M\). (2)
\(D\) is the point so that \(ABCD\) is a square.
(c) Find the coordinates of \(D\). (2)
| Scheme | Marks |
|---|---|
| \(x = -3\) drawn | B1 |
| (1) |
Notes
B1: accept unlabelled
| Scheme | Marks |
|---|---|
| \(\dfrac{4 + 1}{2}\), \(\dfrac{2 + 4}{2}\) | M1 |
| (2.5, 3) | A1 |
| (2) |
Notes
M1: or one coordinate correct
| Scheme | Marks |
|---|---|
 Answer: (2, −1) | B2 |
| (2) | |
| (5 marks) |
Notes
B2: (B1 \(D\) placed correctly on the grid)