Dexter D.

asked • 06/10/21

(2B.8) Is the sequence arithmetic? If so, find the common difference. ‒2.4, 6.4, 15.2, 24 ... A. no B. yes, 8.8 C. yes, 8.9 D. yes, 8.6

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Inactive Tutor answered • 06/10/21

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how do we get from -2.4 to 6.4? we add 8.8.

Can we add 8.8 to 6.4 to get 15.2? YES

The sequence is arithmetic and the common difference is 8.8


Answer: B YES 8.8

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Inactive Tutor

Well, actually it is 8.8 from -2.4 to 6.4 and it is 8.8 from 6.4 to 15.2 and it is 8.8 from 15.2 to 24.0. Answer is YES -- and the COMMON DIFERENCE IS 8.8.
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06/10/21

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