Foundation November 2022 Paper 1 Q9
9
(a) Simplify.
(i) \(5r - 7t - 3r + 2t\) [2]
(ii) \(a \times a \times a \times a \times a\) [1]
(iii) \(7b^5 \div b\) [1]
(b) Factorise.
\(4a - 12b\) [1]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| (i) \(2r - 5t\) final answer | 2 | B1 for \(2r\) or \(-5t\) in final answer or correct answer seen and spoilt. \(2r + -5t\) scores B1 | |
| (ii) \(a^5\) | 1 | ||
| (iii) \(7b^4\) | 1 | ||
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(4(a - 3b)\) | 1 | Allow \(4(1a - 3b)\) and \(2(2a - 6b)\) | |