Question 1

What is the first five terms of the sequence a_n = 3n

Accepted Answer

3, 6, 9, 12, 15

Answer

-3, 6, -9, 12, -15

Answer

3, -6, 9, -12, 15

Answer

3, -6, -9, -12, 15

Question 2

An ____________ sequence is a sequence in which each term is obtained from the preceding term by multiplying a common ratio.

Accepted Answer

freetext://geometric

Question 3

An ____________ sequence is a sequence is the series of numbers where the next term is found by adding up the two number preceding it.

Accepted Answer

freetext://fibonacci

Question 4

An ____________ sequence is a sequence which terms are the reciprocal of the arithmetic.

Accepted Answer

freetext://harmonic

Question 5

What is the formula of Arithmetic Sequence?

Accepted Answer

a_n=a₁+(n-1)d

Answer

a_n=a₁r^n-1

Answer

a_n= $\frac{a}{a_1+(n-)d}$

Question 6

What is the formula of Fibonacci Sequence?

Accepted Answer

a_n= $\frac{a}{a_1+(n-)d}$

Answer

a_n= $\frac{a}{a_1+(n-)d}$

Answer

a_n=a₁r^n-1

Answer

a_n=a₁+(n-)d

Question 7

What is the formula of Geometric Sequence?

Accepted Answer

a_n=a₁r^n-1

Answer

a_n= $\frac{a}{a_1+(n-)d}$

Answer

a_n=a₁+(n-)d

Question 8

In Fibonacci sequence, what is the common difference in the sequence of 7, 15, 23, . . .?

Accepted Answer

8

Answer

9

Answer

11

Answer

10

Question 9

In Fibonacci sequence, what is the common difference in the sequence of 9, 18, 27. . . . .. ?

Accepted Answer

9

Answer

6

Answer

8

Answer

7

Question 10

In Fibonacci sequence, what is the common difference in the sequence of 12, 6, 3. . . . .. ?

Accepted Answer

$\frac{1}{2}$

Answer

1 $\frac{1}{2}$

Answer

- $\frac{1}{2}$

Answer

-1 $\frac{1}{2}$

Question 11

In Fibonacci sequence, what is the common difference in the sequence of 12, 6, 3. . . . .. ?

Accepted Answer

-6

Answer

-16

Answer

8

Answer

-18

Question 12

In Fibonacci sequence, what is the common difference in the sequence of $\frac{1}{2}$ . . . . . ?

Accepted Answer

1/2

Answer

1

Answer

2

Answer

1 1/2

Question 13

In Fibonacci sequence, what is the 12^thterm in the sequence of $\frac{a}{a_1+(n-)d}$ . . . . . ?

Accepted Answer

1/6

Answer

1/5

Answer

1/7

Answer

1/8

Question 14

In Fibonacci sequence, what is the 20^thterm in the sequence of $\frac{a}{a_1+(n-)d}$ . . . . . ?

Accepted Answer

1/10

Answer

1/9

Answer

1/7

Answer

1/8

Question 15

In geometric sequence, what is the 8^thterm in the sequence of 1, 2, 4 . . . . . ?

Accepted Answer

128

Answer

122

Answer

124

Answer

126

Question 16

In geometric sequence, what is the common ratio in the sequence of 5, 10, 20 . . . . . ?

Accepted Answer

2

Answer

4

Answer

5

Answer

6

Question 17

In geometric sequence, what is the common ratio in the sequence of 0.4, 0.8, 0.16 . . . . . ?

Accepted Answer

1/2

Answer

3/2

Answer

2/2

Answer

4/2

Question 18

In geometric sequence, what is the common ratio in the sequence of 1, 4, 16 . . . . . ?

Accepted Answer

4

Answer

2

Answer

6

Answer

8

Question 19

In Fibonacci sequence, what is the 10^thterm in the sequence of 7, 15, 23, ... . . . .. ?

Accepted Answer

1/79

Answer

1/69

Answer

1/99

Answer

1/89

Question 20

In Fibonacci sequence, what is the 10^thterm in the sequence of 9, 18, 27. . . . .. ?

Accepted Answer

1/90

Answer

1/80

Answer

1/70

Answer

1/60

Question 21

In Fibonacci sequence, what is the 10^thterm in the sequence of 12, 6, 3. . . . .. ?

Accepted Answer

2/33

Answer

-1 33/2

Answer

1  2/33

Answer

-2/33

Question 22

In Fibonacci sequence, what is the 10^thterm in the sequence of $\frac{a}{a_1+(n-)d}$ . . . . . ?

Accepted Answer

1/5

Answer

1/8

Answer

1/7

Answer

1/6

Question 23

In geometric sequence, what is the 8^thterm in the sequence of 5, 10, 20 . . . . . ?

Accepted Answer

640

Answer

840

Answer

750

Answer

960

Question 24

In geometric sequence, what is the common ratio in the sequence of 1, 4, 16 . . . . . ?

Accepted Answer

4

Answer

5

Answer

6

Answer

7

Question 25

In arithmetic sequence, what is the common difference in the sequence of 7, 15, 23, . . .?

Accepted Answer

8

Answer

9

Answer

11

Answer

10

Question 26

In arithmetic sequence, what is the common difference in the sequence of 9, 18, 27. . . . .. ?

Accepted Answer

9

Answer

7

Answer

8

Answer

6

Question 27

In arithmetic sequence, what is the common difference in the sequence of 12, 6, 3. . . . .. ?

Accepted Answer

$\frac{1}{2}$

Answer

-1 $\frac{1}{2}$

Answer

1 $\frac{1}{2}$

Answer

- $\frac{1}{2}$

Question 28

In arithmetic sequence, what is the 10^thterm in the sequence of 9, 18, 27. . . . .. ?

Accepted Answer

90

Answer

60

Answer

80

Answer

70

Question 29

In arithmetic sequence, what is the 10^thterm in the sequence of 12, 6, 3. . . . .. ?

Accepted Answer

$\frac{1}{2}$

Answer

-1 $\frac{1}{2}$

Answer

- $\frac{1}{2}$

Answer

1 $\frac{1}{2}$

Question 30

In arithmetic sequence, what is the 10^thterm in the sequence of $\frac{a}{a_1+(n-)d}$ . . . . . ?

Accepted Answer

5

Answer

8

Answer

6

Answer

7

Question 31

An ____________ sequence is a sequence in which each term is obtained from the preceding term by adding a common difference.

Accepted Answer

freetext://Arithmetic

Question 32

What is the first five terms of the sequence f (n)= (–2) ^{n– 1} .

Accepted Answer

1, -2, 4, -8, 16

Answer

-1, -2, -8, 16, 36

Answer

-1, -2, -4, -8, -16

Answer

-1, 4, -8, 16, 36

Question 33

What is the first five terms of the sequence an= n! - 2.

Accepted Answer

-1, 0, 4, 22, 118

Answer

-1, 0, 4, -22, 118

Answer

-1, 0, 4, 22, -118

Answer

-1, 0, -4, 22, 118

Question 34

What is the first five terms of the sequence an= $\frac{1}{2}$

Accepted Answer

1/2, 2/3, 3/4, 4/5, 5/6

Answer

1/2, -2/3, 3/4, -4/5, 5/6

Answer

-1/2, 2/3, -3/4, 4/5, -5/6

Answer

-1/2, -2/3, -3/4, -4/5, -5/6

Question 35

What is the first five terms of the sequence an = 2n + 3

Accepted Answer

5, 7, 9, 11, 13

Answer

5, -7, 9, -11, 13

Answer

-5, 7, -9, 11, -13

Answer

-5, -7, -9, -11, -13

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