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Q: How can you get the common difference in an arithmetic sequence?

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arithmetic sequence

The sequence is neither arithmetic nor geometric.

yes. A zero common difference represents a constant sequence.

An excellent example of an arithmetic sequence would be: 1, 5, 9, 13, 17, in which the numbers are going up by four, thus having a common difference of four. This fulfills the requirements of an arithmetic sequence - it must have a common difference between all numbers.

It is the "common difference".It is the "common difference".It is the "common difference".It is the "common difference".

The common difference is the difference between two numbers in an arithmetic sequence.

No. An 'arithmetic' sequence is defined as one with a common difference.A sequence with a common ratio is a geometricone.

Common difference, in the context of arithmetic sequences is the difference between one element of the sequence and the element before it.

It is the difference between a term (other than the second) and its predecessor.

An arithmetic sequence.

could also be negative

An arithmetic sequence is a list of numbers which follow a rule. A series is the sum of a sequence of numbers.

An arithmetic sequence with common difference of 2.

It is a + 8d where a is the first term and d is the common difference.

It is negative 2.

6

-13

7

16

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For any index n (>1) calculate D(n) = U(n) - U(n-1). If this is the same for all integers n (>1) then D is the common difference. The sign of D determines whether the common difference is positive or negative.

If the terms get bigger as you go along, the common difference is positive. If they get smaller, the common difference is negative and if they stay the same then the common difference is 0.

It appears to be -6

What is the 14th term in the arithmetic sequence in which the first is 100 and the common difference is -4? a14= a + 13d = 100 + 13(-4) = 48

No, the Fibonacci sequence is not an arithmetic because the difference between consecutive terms is not constant

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