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Hotmath Practice Problems

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Title:
Hotmath Algebra 2
Author:
Hotmath Team
 
Free
Chapter:Sequences and SeriesSection:Comparing Sequences and Series
 

Problem: 1

Give the first six terms of the sequence an = (n + 2)2.


Problem: 3

Give the first six terms of the sequence an = 2n – 1


Problem: 5

Give the first six terms of the sequence:


Problem: 7

Give the first six terms of the sequence:


Problem: 9

Give the first five terms of the sequence.

a0 = –2

an = an – 1 – 4


Problem: 11

Give the first five terms of the sequence.

a0 = 1

an = n2 an – 1


Problem: 13

Find the pattern in the sequence 10, 12, 15, 19, 24,.... Calculate the next three terms of the sequence.


Problem: 15

Determine if the formula an = 2an –1– 1 (where a1 = 4) is recursive or explicit.

Calculate the first five terms of the sequence.


Problem: 17

Determine if the formula an = 3n2 – 2 is recursive or explicit. Calculate the first

five terms of the sequence.


Problem: 19

Find an explicit formula for the sequence 5, 10, 15, 20, 25,....

Calculate a14.


Problem: 21

Find an explicit formula for the sequence

Calculatea15.


Problem: 23

Find the recursive formula for the sequence 1, 4, 16, 64, 256,... Calculate the next term in the sequence.


Problem: 25

Draw the graph of the sequence:

1, 3, 5, 7, 9, 11


Problem: 27

Determine if the list 5, 30, 180, 1080, 6480, ..... is a sequence or a series. Also find if it is finite or infinite.


Problem: 29

Determine if the list is a sequence or a series. Also find if it is finite or infinite.


Problem: 31

Find the related series for the finite sequence 90, 82, 74, 66, 58, 50. Then find the sum of the series.


Problem: 33

Write the given series in the expanded form:


Problem: 35

Write the given series in the expanded form:


Problem: 37

Write the given series in the expanded form:


Problem: 39

Write the sigma notation of the given series:

3 + 6 + 9 + 12 + 15


Problem: 41

Write the series in sigma notation:

12 + 22 + 32 + .........+ 402


Problem: 43

Write the series in sigma notation:


Problem: 45

Write the series in sigma notation:


Problem: 47

Write the sigma notation of the series:

4 – 16 + 48 – 128 + 320 – ...


Problem: 49

Find the sum of the series:


Problem: 51

Find the sum of the series:


Problem: 53

Find the sum of the series:


Problem: 55

Find the sum of the series:


Problem: 57

Find the sum of the series:


Problem: 59

Choose the correct choice:

(A) log 415 (B) log 154 (C) log 45 (D) log 54


Problem: 1

Give the first six terms of the sequence an = (n + 2)2.


Problem: 3

Give the first six terms of the sequence an = 2n – 1


Problem: 5

Give the first six terms of the sequence:


Problem: 7

Give the first six terms of the sequence:


Problem: 9

Give the first five terms of the sequence.

a0 = –2

an = an – 1 – 4


Problem: 11

Give the first five terms of the sequence.

a0 = 1

an = n2 an – 1


Problem: 13

Find the pattern in the sequence 10, 12, 15, 19, 24, .... Calculate the next three terms of the sequence.


Problem: 15

Determine if the formula an = 2an –1– 1 (where a1 = 4) is recursive or explicit.

Calculate the first five terms of the sequence.


Problem: 17

Determine if the formula an = 3n2 – 2 is recursive or explicit. Calculate the first

five terms of the sequence.


Problem: 19

Find an explicit formula for the sequence 5, 10, 15, 20, 25, ....

Calculate a14.


Problem: 21

Find an explicit formula for the sequence

Calculate a15.


Problem: 23

Find the recursive formula for the sequence 1, 4, 16, 64, 256, ... Calculate the next term in the sequence.


Problem: 25

Draw the graph of the sequence:

1, 3, 5, 7, 9, 11


Problem: 27

Determine if the list 5, 30, 180, 1080, 6480, ..... is a sequence or a series. Also find if it is finite or infinite.


Problem: 29

Determine if the list is a sequence or a series. Also find if it is finite or infinite.


Problem: 31

Find the related series for the finite sequence 90, 82, 74, 66, 58, 50. Then find the sum of the series.


Problem: 33

Write the given series in the expanded form:


Problem: 35

Write the given series in the expanded form:


Problem: 37

Write the given series in the expanded form:


Problem: 39

Write the sigma notation of the given series:

3 + 6 + 9 + 12 + 15


Problem: 41

Write the series in sigma notation:

12 + 22 + 32 + .........+ 402


Problem: 43

Write the series in sigma notation:


Problem: 45

Write the series in sigma notation:


Problem: 47

Write the sigma notation of the series:

4 – 16 + 48 – 128 + 320 – ...


Problem: 49

Find the sum of the series:


Problem: 51

Find the sum of the series:


Problem: 53

Find the sum of the series:


Problem: 55

Find the sum of the series:


Problem: 57

Find the sum of the series:


Problem: 59

Choose the correct choice:

(A) log 415 (B) log 154 (C) log 45 (D) log 54