Modeling with Sequences and Series - Quiz Quiz

Question 1

During a radio contest, 50 dollars is added to the prize money each time a caller answers the contest question incorrectly. The first caller has a chance to win 100 dollars Which equation represents the amount the 10 th caller receives if this caller is the first to answer the question correctly?

Revolt · Accepted Answer

B: A sub 10 is equal to 100 plus open paren 10 minus 1 close paren times 50

Question 2

A student wrote the terms. negative 1 third comma 1 sixth comma negative 1 over 12 comma 1 over 24 comma negative 1 over 48 What do these terms represent?

Revolt · Accepted Answer

B: a geometric sequence

Question 3

Juliana wrote the terms. negative 8 comma negative 4 comma 0 comma 4 comma 8 comma 12 What do these terms represent?

Revolt · Accepted Answer

A: an arithmetic sequence

Question 4

A marine biologist is setting up a net 6 feet below the surface of the water. Each foot of the water screens out 40 percent of the light coming from the surface. Which of the following is the approximate percentage of light remaining after passing through 6 feet of water, to the nearest tenth of a percent?

Revolt · Accepted Answer

A: 7 point 8 percent

Question 5

Alberto is stacking firewood. He puts 20 logs on the bottom row. Then he stacks each row so that there is 1 fewer log than the row below. Which of the following can be used to determine the total number of logs in 10 rows?

Revolt · Accepted Answer

A: an arithmetic series

Question 6

Brenda already has 200 dollars to put toward the purchase of a new laptop that sells for 450 dollars She will save 50 dollars each month, starting next month, until she can buy the laptop. Which of the following represents the amounts she will have each month, starting next month, until she can afford to buy the laptop (assuming there is no sales tax)?

Revolt · Accepted Answer

C: 250 dollars comma 300 dollars comma 350 dollars comma 400 dollars comma 450 dollars

Question 7

Tyrone opens a savings account by depositing 75 dollars in August. He increases each month’s deposit by 10 dollars compared to the previous month’s deposit. Which of the following shows the amounts in Tyrone’s account from August through December?

Revolt · Accepted Answer

A: 75 dollars comma 85 dollars comma 95 dollars comma 105 dollars comma 115 dollars

Question 8

Consider the pattern. 5 plus 5 thirds plus 5 ninths plus 5 over 27 plus 5 over 81 plus dot dot dot What does this pattern represent?

Revolt · Accepted Answer

C: a geometric series

Question 9

There are 15 rows of seats in an auditorium. The first row has 20 seats, and each of the other rows has 5 more seats than the row immediately in front of it. Which of the following is formed by the list of the number of seats in each row?

Revolt · Accepted Answer

D: an arithmetic sequence

Question 10

The average customer for a certain utility company pays 120 dollars per month for utilities. The company plans to decrease utility bills by 3 percent each year for the next five years. Which of the following can be used to determine the total amount an average customer will pay for utilities during the next five years?

Revolt · Accepted Answer

D: a geometric series

Modeling with Sequences and Series - Quiz Quiz Answers

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