Higher June 2018 Paper 6 Q6
6 \(y\) is inversely proportional to \(x\).
\(y = 0.04\) when \(x = 80\).
Find the value of \(y\) when \(x = 32\). [3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 0.1 oe nfww | 3 | M2 for \(80 \times 0.04 = y \times 32\) or \(3.2 = 32y\) or \(y = \dfrac{3.2}{32}\) oe OR M1 for 80 × 0.04 soi by 3.2 or \(\dfrac{16}{5}\) or \(y = \dfrac{k}{x}\) soi | |