Question
Asked Oct 31, 2019
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A. Find K given that K-1, 13, and 3k+3 are consecutive terms of an arithmetic sequence. 

B. Write down the next two terms of the sequence. 

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Expert Answer

Step 1

Given that K-1, 13, and 3k+3 are consecutive terms of an arithmetic sequence.

Step 2

Since, they are consecutive terms of an arithmetic sequence,so the difference of first and second terms is equal to difference of second and third terms.Thus  we have

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13- (k-1) 3k3-13 3k 3 -13 13-k1 3k-10 14 10 3k k 4k 24 k =6

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Step 3

By substituting k=6, we get the terms (6-1),13,3(6)+3, t...

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