3 years ago

Is the following sequence arithmetic? If so, identify the common difference.

Mathematics

1 answer:

melisa1 [442]3 years ago

4 0

Answer:

D(Yes;-5) is correct.

Step-by-step explanation:

Let's check 2 consecutive numbers

A(1) = 18

A(2) =13

=> common difference=A(2)-A(1) = 13-18 =-5

(Also, we see A(4)-A(3) = A(3)-A(2) =-5)

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