Quiz about Arithmetic Sequences & Series Quiz

Question 1

Find the 22nd term of the following sequence:
5, 8, 11, ...

Accepted Answer

68

Answer

14

Answer

63

Answer

71

Question 2

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint: Write your formula and then simplify it.)

Accepted Answer

an=6n-4

Answer

an=2+6n

Answer

an=-6+6n

Answer

an=4-6n

Question 3

Find the first term of the given sequence:
a₁₄=68
d=3

Accepted Answer

29

Answer

14

Answer

20

Answer

26

Question 4

Identify the common difference.
97, 86, 75, 64, ...

Accepted Answer

-11

Answer

8

Answer

11

Answer

-8

Question 5

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

Accepted Answer

127

Answer

32

Answer

64

Answer

356

Question 6

Find the 25th term of the sequence if a₁ = 5 and d = 0.5

Accepted Answer

17

Answer

18

Answer

15

Answer

14

Question 7

Given the sequence:
25, 21, 17, 13,...
Write the explicit equation that models the sequence. (Hint: Simplify your equation.)

Accepted Answer

a_n= -4n + 29

Answer

a_n = 4n + 29

Answer

a_n = -4n + 25

Answer

a_n = 4n + 25

Question 8

The next two terms of the sequence 4,7,10,13 are ....

Accepted Answer

16 and 19

Answer

15 and 19

Answer

16 and 18

Answer

15 and 18

Question 9

Is the sequence arithmetic: 17, 9, 1, -7, ...

Accepted Answer

Yes

Answer

No

Question 10

Find the common difference: -34, -29, -24, -19, ...

Accepted Answer

d = 5

Answer

d = -5

Answer

d = -6

Answer

d = 6

Question 11

Find a₂₆ in the arithmetic sequence: -15, -35, -55, -75, ...

Accepted Answer

-515

Answer

-490

Answer

-535

Answer

460

Question 12

Find the sum of the arithmetic series described:

2 + (-2) + (-6) + (-10)..., S₁₀

Accepted Answer

-160

Answer

-328

Answer

-320

Answer

-336

Question 13

The sequence 28, 34, 40, 46, 52, ..., 88 has 11 terms. Find the sum of the 11 terms.

Accepted Answer

638

Answer

550

Answer

610

Answer

288

Question 14

Find S_n for the given series:
a₁=22
d=-8
n=21

Accepted Answer

-1218

Answer

1911

Answer

-1449

Answer

-2436

Question 15

Find the sum.

24+48+72+...+480

*Hint: Find out what term number 480 is first. Then find the sum.*

Accepted Answer

5040

Answer

5280

Answer

9576

Answer

10080

Question 16

a₁=5, a₂=11, a₁₅=?

Accepted Answer

89

Answer

95

Answer

81

Answer

159

Question 17

Find the sum of the first 100 odd numbers

Accepted Answer

2500

Answer

5000

Answer

2525

Answer

3250

Question 18

Evaluate the arithmetic series described:
2 + (-2) + (-6) + (-10)..., S₁₀

Accepted Answer

-160

Answer

-328

Answer

-320

Answer

-336

Arithmetic Sequences & Series Quiz

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics