Arithmetic Sequences and Series

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Arithmetic Sequences and Series

Find the next four terms in the arithmetic sequence.

9, 13, 17

19, 23, 27, 29

21, 25, 29, 33

19, 23, 29, 31

18, 19, 20, 21

Find the next four terms in the arithmetic sequence.

0, -3, -6

-6, -3, 0, 3

-10, -13, -16, -20

-9, -12, -15, -18

-3, 0, 3, 6

Find the 20th term in the arithmetic sequence shown below.

-10, -8, -6, -4

28

30

38

48

Find the 100th term in the arithmetic sequence shown below.

16, 12, 8, 4

412

-380

-412

-396

Find three arithmetic means between 16 and 32.

20, 24, 28

20, 25, 30

18, 24, 30

48, 64, 80

Use Sigma notation to represent the series below.

2 + 5 + 8 + 11 + 14 + 17

A.

B.

C.

D.

Find the sum of the arithmetic series.

25

126

133

119

Find a1 if d = 4, a20 = 82, and S20 = 880.

2

4

6

60

Find a1 if d = 2.5, a15 = 33.5, and S15 = 240.

2.5

-1.5

-4

-2.5

Find the sum of the arithmetic series shown below.

11187

11300

11074

11211