Question 3

3.1 Given the linear pattern: 9 ; 5 ; 1; … ; −143.

3.1.1 Determine the formula for the n^th term of the pattern. (2)

3.1.2 Calculate the value of T₇ . (2)

3.1.3 Determine the number of terms in the pattern. (2)

3.2 Given that, in a linear number pattern, the 16^th term is 38 and the 41^st term is 113.
Which term is −1? (4)

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