IGCSE 0580 Question Bank

Question 21 — IGCSE 0580 Oct/Nov 2025 Paper 42

Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Algebra · Proportion. Worth 4 marks.

AlgebraProportion4 marksExtendedCalculatorPaper 42Oct/Nov 2025
Open in interactive question bank →IGCSE Mathematics 0580 Oct/Nov 2025 Paper 42 Question 21 – Algebra, Proportion, 4 marks

Question text

21 y is inversely proportional to (x+2)2. w is proportional to x. When y = 8, x = 3.5 . When w = 15, x = 90. Find y in terms of w. y = ................................................ [4] (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:221)(cid:251)(cid:181)(cid:258)(cid:215) © UCLES 2025 (cid:300)(cid:260)(cid:187)(cid:243)(cid:209)(cid:287)(cid:287)(cid:243)(cid:222)(cid:250)(cid:248)(cid:184)(cid:223)(cid:211)(cid:281)(cid:178)(cid:257)(cid:258) 0580/42/O/N/25 (cid:293)(cid:213)(cid:213)(cid:213)(cid:181)(cid:245)(cid:197)(cid:245)(cid:261)(cid:277)(cid:197)(cid:261)(cid:197)(cid:277)(cid:197)(cid:213)(cid:181)(cid:213) ON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD * 0000800000016 * 16 (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:2)(cid:7)(cid:44) BLANK PAGE Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge Assessment International Education Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cambridgeinternational.org after the live examination series. Cambridge Assessment International Education is part of Cambridge Assessment. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which is a department of the University of Cambridge. (cid:300)(cid:205)(cid:266)(cid:174)(cid:288)(cid:180)(cid:237)(cid:200)(cid:245)(cid:207)(cid:298)(cid:197)(cid:266)(cid:223)(cid:249)(cid:181)(cid:260)(cid:215) © UCLES 2025 (cid:300)(cid:260)(cid:187)(cid:242)(cid:209)(cid:293)(cid:269)(cid:246)(cid:217)(cid:248)(cid:239)(cid:175)(cid:253)(cid:239)(cid:187)(cid:226)(cid:249)(cid:258) 0580/42/O/N/25 (cid:293)(cid:293)(cid:261)(cid:213)(cid:245)(cid:245)(cid:197)(cid:213)(cid:293)(cid:181)(cid:181)(cid:261)(cid:261)(cid:277)(cid:293)(cid:213)(cid:229)(cid:213) NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD NIGRAM SIHT NI ETIRW TON OD DFD

Mark scheme

Mark scheme for IGCSE 0580 Oct/Nov 2025 Paper 42 Question 21

More Algebra past paper questions