493,194 views
26 votes
26 votes
What is the fourth term of the geometric sequence whose first term is 7 and has a common ratio of -2

User Yutannihilation
by
2.8k points

1 Answer

18 votes
18 votes

Answer:

-56

Explanation:

It is often easiest to find terms of a sequence by simply writing each one based on the previous one. Here, the common ratio of -2 tells you that each term is -2 times the previous term.

The first four terms are ...

7, -14, 28, -56

The fourth term is -56.

User Hidefromkgb
by
3.2k points