Question 8 — IGCSE 0580 May/June 2023 Paper 21
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Algebra · Sequences. Worth 4 marks.
Open in interactive question bank →
Question text
8 (a) The nth term of a sequence is 10-n2.
Write down the first three terms of this sequence.
............... , ............... , ............... [2]
(b) These are the first four terms of another sequence.
7 10 13 16
Find an expression for the nth term of this sequence.
................................................. [2]
Mark scheme
