Geometric Sequences and Series

Question 1

Find the seventh term of the sequence 40, 0.4, 0.004, ....

Revolt · Accepted Answer

4 10 -11

Question 2

Find the sum of the first 4 terms of the series.

Revolt · Accepted Answer

–102

Question 3

Find the ninth term of the sequence , , 2, ....a.c.20b.16d.48

Revolt · Accepted Answer

B

Question 4

Find the missing term in the following geometric sequence.

Revolt · Accepted Answer

20,100

Question 5

Determine the common ratio and find the next three terms of the geometric sequence.-7, 3.5, -1.75 ...

Revolt · Accepted Answer

-0.5; 0.875, -0.4375, 0.21875

Question 6

Determine the common ratio and find the next three terms of the geometric sequence.10, 2, 0.4, ...

Revolt · Accepted Answer

0.2; 0.08, 0.016, 0.0032

Question 7

Find the sum of the first 6 terms of the series.

Revolt · Accepted Answer

–63

Question 8

Find the missing terms in the following geometric sequence.

Revolt · Accepted Answer

36, 108

Question 9

Determine the common ratio and find the next three terms of the geometric sequence.i, -1, -i, ...

Revolt · Accepted Answer

i; 1, i, -1

Geometric Sequences and Series Answers