Higher November 2022 Paper 6 Q20
20 Write as a single fraction in its simplest form.
\[10 - \frac{6x + 45}{3x + 5}\][4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(\frac{24x + 5}{3x + 5}\) final answer | 4 | M3 for \(\frac{30x + 50 - 6x - 45}{[3x + 5]}\) soi by \(\frac{24x + 5}{[3x + 5]}\) or M2 for \(\frac{30x + 50 - (6x + 45)}{[3x + 5]}\) or \(\frac{10(3x + 5) - 6x - 45}{[3x + 5]}\) or M1 for 10(3\(x\) + 5) | Max M3 if answer spoiled by further incorrect algebraic manipulation (eg. incorrect cancelling of terms) Allow full marks for a correct equivalent answer as a single fraction e.g. \(\frac{48x + 10}{6x + 10}\) |