Question

Which sequences are geometric? Check all that apply.

Answer 1

its 2,3 5

Explanation:

16, –8, 4, –2, 1

–15, –18, –21.6, –25.92, –31.104

625, 125, 25, 5, 1,

Answer 2

Option 2 and option 5

Explanation:

Option 2 because the common ratio of the sequence is dividing to half each element.

Option 5 because the common ratio is dividing by 5.

Remember that geometrical sequences are those where the common ratio is multiplying or dividing.