Higher June 2017 Paper 6 Q12
12 \(y\) is inversely proportional to the square of \(x\).
Complete the table.
| \(x\) | 10 | 6 | |
|---|---|---|---|
| \(y\) | 9 | 4 |
[4]
| Answer | Marks | Part marks and guidance | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | B3 for one value correct OR M2 for \(9 \times 10^2 = y \times 6^2\) oe or \(9 \times 10^2 = 4 \times x^2\) oe OR M1 for \(9 \times 10^2\) or \(y = \dfrac{k}{x^2}\) soi | Do not follow through mis-reads. | ||||||||