Higher June 2017 Paper 6 Q16
16
(a) Simplify.\[\frac{3y^3}{y^{-4}}\]
[1]
(b) Write as a single fraction in its simplest form.\[\frac{3}{x - 1} + \frac{4}{x + 2}\]
[3]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(3y^7\) | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\dfrac{7x + 2}{(x - 1)(x + 2)}\) or \(\dfrac{7x + 2}{x^2 + x - 2}\) as final answer | 3 | B1 for \((x - 1)(x + 2)\) or \(x^2 + x - 2\) seen as a denominator M1 for \(3(x + 2) + 4(x - 1)\) or \(3x + 6 + 4x - 4\) soi | Condone missing final bracket. Accept not in fraction or seen in separate fractions |