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Determine whether the sequence is arithmetic.

87, 81, 75, 69, ...
find the common difference

2 Answers

4 votes

Answer:

the common difference is -6

because 87-6=81

81-6=75

like that

User Guari
by
5.3k points
6 votes

Answer:

The sequence is arithmetic and the common difference is -6.

User Ajaaskel
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5.6k points