which of the following arithmetic sequence has -4 as the common difference?
A. 20,16,12,8
B. -1,-5,-9,-13
C. 3,-6,-9,-12,-15
D. 4,8,12,16,20
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which of the following arithmetic sequence has -4 as the common difference?
A. 20,16,12,8
B. -1,-5,-9,-13
C. 3,-6,-9,-12,-15
D. 4,8,12,16,20
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Answer:
A
Step-by-step explanation:
20-4=16
16-4=12
12-4=8
Decreasing so it's negative
Answer:
A.
Step-by-step explanation:
(You simply minus them)
Because:
20-4= 16
16-4=12
12-4=8