Arithmetic Series

Question 1

Which of the following are geometric series? Select all that apply.

Revolt · Accepted Answer

0.2 + 0.6 + 1.8 + 5.4; 2 + 10 + 50 + 250; 20 + 10 + 5 + 2.5

Question 2

r =

Revolt · Accepted Answer

1.05

Question 3

n =

Revolt · Accepted Answer

12

Question 4

Which can be used to find the partial sum of the first 12 terms?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-14-08-10-11-task/mc001-1.jpg

Question 5

Select the explicit formula for the sequence that correspond to this geometric series: 6 + 18 + 54 + 162 + 486

Revolt · Accepted Answer

ak = 6 • 3k – 1

Question 6

What is the series in summation notation?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-14-08-10-04-task/mc002-2.jpg

Question 7

a1 =

Revolt · Accepted Answer

50

Question 8

Which can be used to find the partial sum of the first six terms?

Revolt · Accepted Answer

Answer image: https://media.edgenuity.com/EVresources/3111-14-08-10-10-task/mc001-1.jpg

Question 9

Find the 6th partial sum.S6 =

Revolt · Accepted Answer

15,624

Arithmetic Series Answers