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A sequence is geometric if each term is found by mutiplying the previous term by a certain number (known as the common ratio).

2,4,8,16, --> here the common ratio is 2.

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Q: How do you determine if a sequence is geometric?
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Related questions

Determine if the sequence below is arithmetic or geometric and determine the common difference/ ratio in simplest form 300,30,3?

This is a geometric sequence since there is a common ratio between each term. In this case, multiplying the previous term in the sequence by 10.

Is the sum of two geometric sequence a geometric sequence?


Is geometric sequence a sequence in which each successive terms of the sequence are in equal ratio?

Yes, that's what a geometric sequence is about.

What is a shifted geometric sequence?

a sequence of shifted geometric numbers

Is a geometric progression a quadratic sequence?

A geometric sequence is : a•r^n while a quadratic sequence is a• n^2 + b•n + c So the answer is no, unless we are talking about an infinite sequence of zeros which strictly speaking is both a geometric and a quadratic sequence.

Who invented geometric sequence series?

antonette taño invented geometric sequence since 1990's

Descending geometric sequence?

A descending geometric sequence is a sequence in which the ratio between successive terms is a positive constant which is less than 1.

What is the next number 2 7?

It can be any number. Two numbers do not even determine whether the "sequence" is arithmetic, geometric or other.

What is the difference between a geometric sequence and a recursive formula?

what is the recursive formula for this geometric sequence?

What is the sequence of numbers that are both geometric and arithmetic?

It is called arithmetico-geometric sequence. I have added a link with some nice information about them.

Is geometric and quadratic sequence same?


What is ascending geometric sequence?

A geometric sequence is : a•r^n which is ascending if a is greater than 0 and r is greater than 1.