Mathematics for IGCSE & O level - Sequences (Section 4 - No. 15) | ExamPlay

Mathematics for IGCSE & O level - Sequences (Section 4 - No. 15)

What is the common difference in the arithmetic sequence 20, 17, 14, 11, 8, ...?

-3

0

3

1

Vysvětlení

The common difference is -3

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