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How many of these sequences have a common different of -4? -19, -15, -11, -7, -3, ... 19, 15, 11, 7, 3, ... 3, 7, 11, 15, 19, ... -3, 7, -11, 15, -19, ... 0 1 2 3
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5 votes
How many of these sequences have a common different of -4?

-19, -15, -11, -7, -3, ...

19, 15, 11, 7, 3, ...

3, 7, 11, 15, 19, ...

-3, 7, -11, 15, -19, ...


0


1


2


3

User Tomas Creemers
by
7.9k points

1 Answer

7 votes
Only the second sequence has a common difference of -4.

1 sequence

_____
Common differences are 4, -4, 4, (no common difference).
User Inxilpro
by
9.3k points
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