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kondaur [170]
3 years ago
7

11. Tell whether the sequence is arithmetic. If it is, what is the common difference?

Mathematics
2 answers:
Jobisdone [24]3 years ago
7 0

Answer:

No.

Step-by-step explanation:

19 - 12.5 = 6.5

12.5 - (-2) = 14.5

The differences between two pairs of consecutive numbers of the sequence are not equal, so there is no common difference, and the sequence is not arithmetic.

RUDIKE [14]3 years ago
7 0

Answer:

<h2>NO.</h2>

Step-by-step explanation:

The given sequence is

19,12.5,-2

The given sequence is not arithmetic, because there's no difference pattern. For example, the difference between 12.5 and 19 is -6.5, and the difference between 12.5 and -2 is 14.5, therefore it's not an arithmetic sequence, because they difference is not the same for all terms.

Therefore, the answer is the first choice NO.

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