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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.

Q: Is a geometric progression a quadratic sequence?

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This is a geometric progression with a factor of -10, so 0.562.

It is a geometric progression with common ratio 0.5

Sounds like a Geometric Progression eg 1-3-9-27-81 etc

15. It's a Geometric Progression with a Common Ratio of 1/5 (or 0.2).

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

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No.

It is neither. It is a quadratic sequence. Un = (x2 - x + 4)/2 for n = 1, 2, 3, ...

There are different answers depending upon whether the sequence is an arithmetic progression, a geometric progression, or some other sequence. For example, the sequence 4/1 - 4/3 + 4/5 - 4/7 adds to pi

This is a geometric progression with a factor of -10, so 0.562.

It is not possible to explain because you have not specified the nature of the sequence. A sequence can be an arithmetic, or geometric progression, increasing or decreasing. Or it can be a polynomial or power progression, again increasing or decreasing. Or it can be a sequence of random numbers.

Geology, Geography, Geometry, Gems, Gold, Gadolinium, Gallium, Germanium, Graduated Cylinder, Gametes, Gauges, Geotropism, Gigabytes, Gigapascal, Gluon, and Gravity.

The geometric series is, itself, a sum of a geometric progression. The sum of an infinite geometric sequence exists if the common ratio has an absolute value which is less than 1, and not if it is 1 or greater.

It is a geometric progression with common ratio 0.5

This is referred to as a geometric progression - as opposed to an arithmetic progression, where each new number is achieved via addition or subtraction.

No.

No. It is a sequence for which the rule is a quadratic expression.

Sounds like a Geometric Progression eg 1-3-9-27-81 etc