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17M.1.SL.TZ2.T_9

pestleMathematicsAISLPaper 117M· sl-1-3-geometric-sequences-and-seriessource ↗

Consider the geometric sequence u 1 = 18 ,   u 2 = 9 ,   u 3 = 4.5 ,   … .

Write down the common ratio of the sequence.

Markscheme / solution

* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.

1 2   ( 0.5 )     (A1)     (C1)

[1 mark]

Examiners’ report
[N/A]