1MA0 Higher June 2013 Paper 2 Q22
22 \(h\) is inversely proportional to the square of \(r\).
When \(r = 5\), \(h = 3.4\)
Find the value of \(h\) when \(r = 8\) (3)
| Answer | Mark | Notes |
|---|---|---|
| 1.33 | 3 | M1 for \(3.4 = \dfrac{k}{5^2}\) oe or \(3.4 \times 5^2\) (=85) M1 for ‘\(3.4 \times 5^2\)’ \(\div 8^2\) A1 for answer in range 1.32 to 1.33 or \(\dfrac{85}{64}\) |