1MA0 Higher November 2014 Paper 1 Q19
19
(a) Complete the table of values for \(y = \dfrac{4}{x}\)
(2)
| \(x\) | 0.5 | 1 | 2 | 4 | 5 | 8 |
|---|---|---|---|---|---|---|
| \(y\) | 4 | 2 |
(b) On the grid, draw the graph of \(y = \dfrac{4}{x}\) for \(0.5 \leqslant x \leqslant 8\)
| Answer | Mark | Notes |
|---|---|---|
| 8, (4), (2), 1, 0.8, 0.5 | 2 | B2 all 4 correct Accept \(\tfrac{4}{5}\) in place of 0.8 and \(\tfrac{1}{2}\) in place of 0.5 (B1 for 2 or 3 correct) |
| Answer | Mark | Notes |
|---|---|---|
| correct graph | 2 | M1 (ft dep on B1) for 5 or 6 points plotted correctly from their table (overlay) A1 cao for correct curve drawn from (0.5,8) to (8, 0.5) |