Question

Which is the 6th term of the geometric sequence for which a1=4 and r= -1/2

Answer 1

4+(6-1)(-1/2)
4+5(-1/2)
4-2.5
1.5 is the answer 

Answer 2

The correct answer is:

4+(6-1)(-1/2)

4+5(-1/2)

4-2.5

1.5 is the answer.

What are 2 examples of geometric sequence?

Example: 1, 2, 4, 8, 16, 32, 64, 128, 256, ... This sequence has a factor of 2 between each number. Each term (except the first term) is found by multiplying the previous term by 2.

How do you know if a sequence is geometric?

Geometric Sequence

Geometric sequences are defined by an initial value and a common ratio. If a sequence does not have a common ratio or a common difference, it is neither arithmetic nor a geometric sequence.

Learn more about Geometric Sequence at https://brainly.com/question/1509142

#SPJ2