ECZ 2010 · O-Level Paper 1 — Sequences and Series
For the sequence 7, 9, 11, 13, ... write down the expression for the nth term.
- A. 2n + 7
- B. n + 6
- C. 7n + 2
- D. 2n + 5
Verified working — step 1
The common difference 2 gives 2n, and 2(1) = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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