Answer:
1, 3, and 4
Step-by-step explanation:
We know that a geometric sequence is a sequence of numbers that is in a pattern where the next term is obtained by multiplying by a constant known as the common ratio.
1. -48, 96, -192, 384
here,
hence, it is a geometric sequence.
2. … 1, 4, 9, 16
here,
hence, it is not a geometric sequence.
3. ... 3, 9, 27 81 …
here,
hence, it is a geometric sequence.
4. 5, 10, 20, 40, …
here,
hence, it is a geometric sequence.
5. 24, 20, 16, 12, …
here,
hence, it is not a geometric sequence.
6. 25, 20, 15, 10, …
here,
hence, it is not geometric sequence.
Answer:
-48, 96, -192, 384, …
3, 9, 27, 81, …
5, 10, 20, 40, …
Step-by-step explanation:
We know that a geometric sequence is a sequence of numbers that is in a pattern where the next term is obtained by multiplying the previous term by a constant known as the common ratio.
-48, 96, -192, 384,...
here, the next term is obtained by multiplying the previous term by -2
Hence, it is a geometric sequence.
1, 4, 9, 16,...
It is not a geometric sequence.
3, 9, 27 81, …
here, the next term is obtained by multiplying the previous term by 3
Hence, it is a geometric sequence.
5, 10, 20, 40, …
here, the next term is obtained by multiplying the previous term by 2
Hence, it is a geometric sequence.
24, 20, 16, 12, …
It is not a geometric sequence.
25, 20, 15, 10, …
It is not geometric sequence.
