Ages 12–14🧮 Mathematics10 verified questions on this shelf

Nth-Term Rules

Find the nth-term expression for an arithmetic sequence by identifying the common difference and the zero-term, and use it to determine any term in the sequence or test whether a given number belongs to the sequence

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Question 1 of 3

What is the nth term formula for the sequence 1/2, 2, 7/2, 5, …?

Question 2 of 3

The sequence 4, 9, 14, 19, … is an arithmetic sequence. What is the 8th term of this sequence?

Question 3 of 3

A music club gives away stickers each week: in week 1 they handed out 6 stickers, week 2 they handed out 11 stickers, week 3 they handed out 16 stickers, and week 4 they handed out 21 stickers. Which formula gives the number of stickers handed out in week n (with n = 1 for the first week)?

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