HannahD
find the next term of the given sequence: 1.31, 2.54, 3.77
multiple choice answers:
A) 4.90
B)5.00
C)5.10



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sue101
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B. 5.00

hsmt
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hi hannah. did you see how sue got the answer?

HannahD
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no. explain?

hsmt
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k

sue101
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I first subtracted 3.77  2.54 = 1.23
Since I now know that the pattern between here is 1.23 I will add 3.77 +1.23 to get the next sequence number

FaithIsASiren_OhKellin?
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Agreed. It is B. Add 1.23 to 3.77.

HannahD
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thank you!


hsmt
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right, for arithmetic sequences, it is called the common difference. In this case, the common difference is 1.23.