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Intermediate June 2018 Unit 1 Q6

WJECIntermediateCurrent spec3 marksSequences

6.

(a) The table below shows the first five terms of a sequence of numbers.
Term\(t_1\)\(t_2\)\(t_3\)\(t_4\)\(t_5\)
Value2581114

Circle the correct equation that connects terms \(t_6\) and \(t_7\). [1]

\(t_6 = t_7 + 3\)   \(t_7 = t_6 + 14\)   \(t_7 - t_6 = 1\)   \(t_7 = t_6 - 3\)   \(t_7 = t_6 + 3.\)

(b) The \(n\)th term of another sequence is given by \(2n - 11\).
Write down the value of,
(i) the 10th term, [1]
(ii) the 3rd term. [1]