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12 January, 11:40

What is the value of a2 in the sequence?

2, 5, 10, 17, ...

2

5

10

17

What is the value of a3 in the sequence?

-4, - 2, - 1/2, - 1/4, ...

-4

- 3

- 1/4

- 1/2

Which answer describes the type of sequence?

3, 9, 15, 21, ...

arithmetic

neither arithmetic nor geometric

geometric

Which answer describes the type of sequence?

4, 9, 13, 22, ...

arithmetic

neither arithmetic nor geometric

geometric

Which answer describes the type of sequence?

200, 40, 8, 1.6, ...

geometric

neither arithmetic nor geometric

arithmetic

+2
Answers (1)
  1. 12 January, 11:46
    0
    What is the value of a2 in the sequence?

    2, 5, 10, 17, ... is 2

    What is the value of a3 in the sequence?

    -4, -2, -1/2, -1/4, ... is - 1/2

    Which answer describes the type of sequence?

    3, 9, 15, 21, ... is arithmetic with d=6

    Which answer describes the type of sequence?

    4, 9, 13, 22, ...

    is neither arithmetic nor geometric

    Which answer describes the type of sequence?

    200, 40, 8, 1.6, ...

    is geometric with q=1/5

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