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aleksandr82 [10.1K]
3 years ago
10

The nth term can of a geometric sequence?

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
8 0

Answer:

a1= 1   r= 3

a1= 8  r= 1/2

a1= 4  r= -4

second part of question below

Step-by-step explanation:

Which of the following is the rule for the geometric sequence 1, 3, 9, 27, . . .?

answer: a(n)= 1 x 3^n-1

Mars2501 [29]3 years ago
4 0

Answer:

1 and 3

8 and 1/2

4 and -4

Step-by-step explanation:

1 is the first term, and then if you keep multiplying by 3 you get the other numbers.

8 is the first term, and if you keep multiplying by 1/2 you get the other terms.

4 is the first term, and if you keep multiplying by -4 you get the continuing numbers.

Hope this helps!

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