O-LevelMathematicsAlgebra and graphs4024/11 · Oct/Nov 2024 · Q83 Marks
These are the first four terms of a sequence. 2 8 14 20
- (a)Find the next number in the sequence.[1]
- (b)Find an expression, in terms of n, for the nth term of this sequence.[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.
- [1] 8(a) 26
- [2] 8(b) 6n - 4 oe final answer
- B1 for answer 6n + j or kn - 4, k ≠ 0 or for 6n - 4 oe seen
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