What is the recursive formula for this geometric sequence? -4, -24, -144, -864, … = -4 O A. an = 2n-1 • 30

Question

What is the recursive formula for this geometric sequence?
-4, -24, -144, -864, …
= -4
O A.
an =
2n-1 • 30
OB.
la = -4
ar = 2n-16
fa
= -6
C.
= 2n-1 • 30
= -6
O D.
lan
ar = 2n-1.4

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Linh Đan 6 months 2021-07-17T11:45:44+00:00 1 Answers 15 views 0

Answers ( )

    0
    2021-07-17T11:46:46+00:00

    Answer:

    a1 = -4

    an = an-1 * 6

    Step-by-step explanation:

    -4, -24, -144, -864, …

    First find the common ratio

    Take the second term and divide by the first term

    -24/-4 = 6

    The common ratio is 6

    The recursive formula is

    a1 = -4

    an = an-1 * 6

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