# Number Patterns Chapter Exam

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Question 1
1.
What conclusion can be reached using inductive reasoning from the following?

When the sun comes up, the rooster crows. When the rooster crows, the hen lays an egg. What happens when the sun comes up?

#### Question 2 2. Choose the equation below that represents the rule for the nth term of the following geometric sequence: 128, 64, 32, 16, 8, ...

#### Question 3 3. Which of the following is the correct formula for compound interest?

#### Question 4 4. Deductive reasoning is based on what?

#### Question 5 5. Sam deposits $5,000 into an account with an interest rate of 3% that is compounded monthly. Rounding to the nearest dollar, what is the balance after 10 years?

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#### Question 6 6. If a2=5 and a8=35, what is the value of a30?

#### Question 7 7. What is the 83rd term of the sequence 91, 87, 83, 79...?

#### Question 8 8. In the sequence 9, 14, 19, 24, 29, ... what is the value of the term below?

#### Question 9 9. Tables are used to show what information?

#### Question 10 10. Arnold invested $7000 in his account and he had $8050 after 4 years. What was the interest rate?

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#### Question 11 11. In geometry, which form of reasoning is relied more on for correct conclusions?

#### Question 12 12. Which group of numbers does not appear to be a sequence with a set pattern?

#### Question 13 13. A ball is dropped and begins bouncing. On the first bounce, the ball travels 3 feet. Each consecutive bounce is 1/8 the distance of the previous bounce. What is the total distance that the ball travels? Round to the nearest hundredth.

#### Question 14 14. Find the sum of the following geometric series:

#### Question 15 15. Which rule represents the nth term in the sequence 9, 16, 23, 30...?

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#### Question 16 16. Inductive reasoning is reasoning based on what?

#### Question 17 17. What is the most common graph in algebra?

#### Question 18 18. What is the most specific term that describes the numbers 5, 10, 15, 20, 25, ...?

#### Question 19 19. Which sequence below is a geometric sequence?

#### Question 20 20. In the compound interest formula, what does the n stand for?

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#### Question 21 21. A brick wall has 60 bricks in the first row, but each row has 3 fewer bricks than the previous one. How many bricks are in the 12th row?

#### Question 22 22. A brick wall contains 52 bricks in its bottom row and 49 bricks in the next row up from the bottom row. Each subsequent row contains 3 fewer bricks than the row immediately below it. If the wall contains 16 rows, how many bricks total make up the wall?

#### Question 23 23. What is the sum of the arithmetic series 106 +100 + 94 + ... + 28 + 22?

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Question 24
24.
What is the rule for the *n*th term of the geometric sequence if the third term is 96 and the fifth term is 1,536?

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Question 25
25.
What is the rule for the *n*th term of the sequence with a7=53 and a13= 101?

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#### Question 26 26. Steve is trying to earn $300 in interest for a new guitar. He puts $2500 in an account that earns 2% interest. How long will it take to earn $300?

#### Question 27 27. Which of the following sequences is NOT geometric?

#### Question 28 28. Which equation below represents a geometric sequence?

#### Question 29 29. Becky deposits $12,000 into an account with an interest rate of 7% that is compounded monthly. Rounding to the nearest dollar, what is the balance after 7 years?

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Question 30
30.
Which of the following would be the 14th term of the sequence below?

11, 22, 44, 88, 176, ...

#### Number Patterns 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!