Question
Tell wwhether the squence is artithmetic. if it is, what is the common difference?
19, 12, 5, -2
A. no
B. Yes; 1/7
C. Yes; 7
D. yes; -7
19, 12, 5, -2
A. no
B. Yes; 1/7
C. Yes; 7
D. yes; -7
Answers
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Answered by
GPT 3.5
To determine if the sequence is arithmetic, we need to check if there is a common difference between each term. To do this, we subtract each consecutive term from the previous term:
12 - 19 = -7
5 - 12 = -7
-2 - 5 = -7
As we can see, there is a common difference of -7 between each term. Therefore, the answer is:
D. Yes; -7
12 - 19 = -7
5 - 12 = -7
-2 - 5 = -7
As we can see, there is a common difference of -7 between each term. Therefore, the answer is:
D. Yes; -7
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