# What is the common difference of the arithmetic sequence 5, 4.5, 4, 3.5,...?

What is the common difference of the arithmetic sequence 5, 4.5, 4, 3.5,...?
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vermieterbx
The arithmetic sequence is:

5,4.5,4,3.5

For any two consecutive terms of an arithmetic sequence there is a common difference which can be found as follows:

d=4.5−5=−0.5
d=4−4.5=−0.5
d=3.5−4=−0.5

So the common difference of this arithmetic progression is
d=−0.5