Arithmetic Sequences Answers

3 verified answers

Which of these sequences are arithmetic? Check all that apply.

–5, –3, 3, 13, 27, .

Option

7, 14, 28, 56, 112, . . .

27, 40, 53, 66, 79, . . .

1, 2, 4, 8, . . .

The common difference of the arithmetic sequence is

1/6

1/3

1/2

2/3

What is the explicit formula for the arithmetic sequence?

an = 1.2 + (n – 1)1.5

an = 1.5 + (n – 1)1.2

an = 1.5 + (n – 1)3.9

an = 3.9 + (n – 1)1.5

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