Quiz about 1.1 Arithmetic, Geometric, Sequences and Series

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 formula for the sequence:
2, 8, 14, ...

Accepted Answer

an=6n-4

Answer

an=2+6n

Answer

an=-6+6n

Answer

an=4-6n

Question 3

Identify the common difference.
10, 20, 30, 40, ...

Accepted Answer

10

Answer

5

Answer

15

Answer

20

Question 4

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

Accepted Answer

127

Answer

32

Answer

64

Answer

356

Question 5

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

Accepted Answer

19, 23, 27

Answer

18, 22, 26

Answer

19, 21, 23

Answer

18, 21, 24

Question 6

The next term of the series 4,16,64 is

Accepted Answer

256

Answer

132

Answer

120

Answer

150

Question 7

Is the sequence geometric or arithmetic?
3, 6, 9, 12...

Accepted Answer

Arithmetic

Answer

Geometric

Answer

Neither

Question 8

Is the sequence geometric or arithmetic?
6, 18, 54...

Accepted Answer

Geometric

Answer

Arithmetic

Answer

Neither

Question 9

What is the common ratio for the sequence:
3, 15, 75...

Accepted Answer

5

Answer

12

Answer

1/5

Question 10

Which formula is used to find the explicit equation for arithmetic sequences?

Accepted Answer

a_n = a₁ + (n-1)d

Answer

a_n = a_n-1 + d

Answer

a_n = a_n-1 * r

Answer

a_n = a₁ * r^n-1

Question 11

What kind of sequence is the pattern 15, 17, 20, 24, 29, ...?

Accepted Answer

Neither

Answer

Arithmetic

Answer

Geometric

Question 12

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

Accepted Answer

Geometric

Answer

Arithmetic

Answer

Neither

Question 13

Is the sequence 7, 9, 12, 16,... geometric?

Accepted Answer

no

Answer

yes

Question 14

Find the next three terms: 3, -18, 108, -648

Accepted Answer

3888, -23328, 139968

Answer

-6480, -3880, -233280

Answer

6480, -38880, 233280

Answer

5184, -31104, 186624

Question 15

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

Accepted Answer

$320

Answer

$50

Answer

$35

Answer

$250

Question 16

Write the rule to find any term in the arithmetic series
a₁ = 12, a_n = 64, Find S_n

Accepted Answer

(n-2)(12+64)

Answer

(n/2)(12+64)

Answer

(n/2)(64-12)

Answer

12-64(n-1)

Question 17

Evaluate the arithmetic series described:
a₁ = 12, a_n = 64, Find S₁₄

Accepted Answer

532

Answer

1082

Answer

541

Answer

1064

Question 18

Evaluate the arithmetic series described:
a₁ = 5, a_n = 145, Find S₁₅

Accepted Answer

1125

Answer

2255

Answer

2250

Answer

2258

Question 19

Evaluate the geometric series below:
a₁ = -2, a_n = -1458, r = 3

Accepted Answer

-2186

Answer

-2408

Answer

1

Answer

-2703

Question 20

Evaluate the geometric series below:
a₁ = 4, a_n = 262144, r = 4

Accepted Answer

349524

Answer

341690

Answer

344023

Answer

338135

Question 21

Evaluate the geometric series below:
4 - 16 + 64 - 256..., S9

Accepted Answer

209716

Answer

223444

Answer

230679

Answer

204516

1.1 Arithmetic, Geometric, Sequences and Series

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