Question 9 — IGCSE 0580 May/June 2025 Paper 11
Cambridge IGCSE Mathematics 0580, Core tier, non-calculator. Topic: Algebra · Sequences. Worth 5 marks.
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Question text
9 (a) These are the first four terms of a sequence.
33 26 19 12
(i) Write down the term-to-term rule for this sequence.
................................................. [1]
(ii) Work out the next two terms in this sequence.
.................... , .................... [2]
(b) These are the first four terms of another sequence.
19 23 27 31
Find the nth term.
................................................. [2]
(cid:300)(cid:207)(cid:266)(cid:174)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:222)(cid:249)(cid:183)(cid:256)(cid:215) [Turn over
© UCLES 2025 (cid:300)(cid:192)(cid:300)(cid:242)(cid:219)(cid:300)(cid:251)(cid:299)(cid:206)(cid:260)(cid:259)(cid:216)(cid:180)(cid:245)(cid:213)(cid:217)(cid:294)(cid:258) 0580/11/M/J/25
(cid:293)(cid:277)(cid:245)(cid:277)(cid:245)(cid:277)(cid:293)(cid:213)(cid:213)(cid:293)(cid:197)(cid:261)(cid:197)(cid:245)(cid:197)(cid:245)(cid:277)(cid:213)
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
NIGRAM
SIHT
NI
ETIRW
TON
OD
* 0000800000006 *
6
(cid:44)(cid:1)(cid:1)(cid:1)(cid:1)(cid:9)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:1)(cid:7)(cid:44)
NIGRAM
DFD