4024/23 May/Jun 2025, Question 12: The nth Term of a Linear Sequence
Cambridge O Level Mathematics 4024 · Paper 23 (Calculator) · Calculator · 3 marks
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The question, in short
A sequence begins 16, 13, 10, 7. Find the following term and an expression for the nth term.
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Part (a) · 1 mark
Write down the term that comes after 7 in the sequence.
- 1Terms go down by 3: 7 − 3 = 4
Answer4
Part (b) · 2 marks
Find an expression in terms of n for the nth term of the sequence.
- 1Difference −3, so −3n + …
- 2n = 1: 16 = −3 + 19
- 3nth term = 19 − 3n
Answer19 − 3n
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Also searched as: 4024/23/M/J/25 · 4024_s25_qp_23 · 4024 s25 23 · question 12.
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