0580/13 May/Jun 2025, Question 5: Quadratic and Cubic Sequences
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Non-calculator · 2 marks
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The question, in short
Find the next term in each of two sequences.
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Part (a) · 1 mark
Find the next term in the sequence 1, 5, 10, 16, 23, …
- 1Differences are 4, 5, 6, 7, so the next difference is 8
- 223 + 8 = 31
Answer31
Part (b) · 1 mark
Find the next term in the sequence 1, 2, 4, 8, 16, …
- 1Each term is double the one before
- 216 × 2 = 32
Answer32
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