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In the sequence (4,24,144,864,\ldots), what is the multiplier in the recursive rule?

Answer and explanation

Correct answer: 6

Check the ratio of consecutive terms: \(24\div4=6\), \(144\div24=6\), and \(864\div144=6\). Thus, each term is obtained by multiplying the previous term by \(6\), so the recursive-rule multiplier is 6. Option 8 may seem tempting because it appears in 864, but it is not the multiplier between consecutive terms. Exam tip: To find a multiplier, divide any term by the term immediately before it.

Related tags

Recursive RuleGeometric SequenceCommon RatioSequences And ProgressionsClass 9 MathematicsMathematicsClass 9 Mcq

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