# ORELA Math: Sequences & Series Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

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Question 1
1.
What is the common ratio for this geometric sequence?

4, 12, 36, . . .

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Question 2
2.
What is the 10th term of this sequence?

2, 4, 6, 8, . . .

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Question 3
3.
What is the arithmetic series sum for the first 7 terms of this sequence?

{1, 3, 5, 7, . . .}

#### Question 4 4. Which of the following geometric series below can we use the formula to find the sum of the infinite geometric series?

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Question 5
5.
What is the 10th term of this sequence?

7, 14, 28, . . .

### Page 2

#### Question 6 6. What is the rule in this formula?

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Question 7
7.
What is the common difference of this arithmetic sequence?

1, 4, 7, 10, . . .

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Question 8
8.
What is the sum of the first seven terms of this sequence?

3, 6, 12, . . .

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Question 9
9.
What is the common difference of this arithmetic sequence?

4, 8, 12, 16, . . .

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Question 10
10.
What is the common ratio of this sequence?

9, 36, 144, . . .

### Page 3

#### Question 11 11. Which of the sequences below has the recursive rule where each number is the previous number times 2?

#### Question 12 12. What is the sum of the infinite geometric series where the beginning term is 1 and the common ratio is 1/3?

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Question 13
13.
What is the fifth term in this sequence?

7, 14, 28

#### Question 14 14. What is the recursive rule here?

#### Question 15 15. Which sequence below has a 20th term of 40?

### Page 4

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Question 16
16.
What is the sum of the first 14 terms of this sequence?

{1, 5, 9, . . .}

#### Question 17 17. Which is the infinite sequence where each number is the previous number times 3?

#### Question 18 18. Which of the following is a geometric sequence?

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Question 19
19.
What is the value of the fifth term of this sequence?

3, 12, 48, . . .

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Question 20
20.
What is the 30th number in this sequence?

{2, 5, 8, . . .}

### Page 5

#### Question 21 21. Which of the following is a geometric sequence?

#### Question 22 22. Which sequence has a common difference of 5?

#### Question 23 23. Which of the following has a common ratio of 3?

#### Question 24 24. Which of the following is an arithmetic sequence?

#### Question 25 25. What is the sum of the infinite geometric series where the beginning term is 2 and the common ratio is 1/2?

### Page 6

#### Question 26 26. Find the sum of the first four terms of the geometric sequence that begins with 1 with a common ratio of 3.

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Question 27
27.
What is the common difference of this sequence?

{1, 2, 4, 16, . . .}

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Question 28
28.
What is the sum of the first 20 terms of this sequence?

{5, 15, 25, . . .}

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Question 29
29.
What is the 5th term of this sequence?

4, 16, 64, . . .

#### Question 30 30. Which one of these sequences is a finite sequence?

#### ORELA Math: Sequences & Series Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!