O-LevelMathematicsAlgebra and graphs4024/11 · Oct/Nov 2023 · Q215 Marks
Factorise 6a - 9.
- (a)Factorise 6a - 9.[1]
- (b)Factorise 4b² - 25.[1]
- (c)Simplify (2c² - 8c) / (2c² - 5c - 12).[3]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.
- [1] (a) 3(2a - 3) final answer
- [1] (b) (2b + 5)(2b – 5) final answer
- [3] (c) 2c / (2c + 3) final answer
- [3] B1 for 2c(c – 4) seen B1 for (2c + 3)(c – 4) seen
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