Question 18 {1 point} The first four terms of an arithmetic sequence are 2, 9', 16, and 23. The value of the eighth term in this sequence? {3; Question 19 {1 point} For the arithmetic sequence below, the position for the term 1?? is: 5, 9, 13, 1?, ..., 1?3, 1?? - Question 20 (1 point} The sequence 5, 9, 13, 1?, 21, 26, is an arithmetic sequence because: 0 It has a common difference of 4. Q It has an infinite number of terms. 0 It has six terms. 9 Q It has a common ratio of 3' Question 21 (1 point) Determine the sum of an arithmetic series wheret = 15 and to9 = 211. The sum is: Question 22 (1 point) The first three terms of a geometric sequence are p, p + 4, p + 6. What is the value of the first term? What is the value of the second term? A/ What is the value of the third term? A/ Question 23 (1 point) The number of terms in the geometric sequence 3, 6, 12, ..., 49152 is: A/Question 24 (1 point) In the geometric series 256 - 192 + 144 -..., determine the value of $12, to the nearest hundredth is: -200.65 -991.56 141.65 351.15 Question 25 (1 point) The sum of an infinite geometric series is 10 s 5 and has a common ratio of - - 9 . To the nearest tenth, the value of the first term is : Question 26 (1 point) Mariana invests $7500 in a guaranteed investment certificate (GIC). Each year, 2% interest is added to the value of the investment at the beginning of that year. Determine the value of the investment, to the nearest cent after eleven years. The value will be: A/ $.Question 27 (2 points) A geometric sequence is given as 5, b, 405 a) Determine all possible values for the second term, b, of this sequence. b) Determine all possible general terms for this sequence.Question 28 (2 points] Identify which of the following geometric series are divergent and which are convergent. Expfain how you decided for ea ch. 15 7'5 3.6+ 2 + 3 +. 2 4 illI'g'l' 25+... _1 __i c.t13,T 12 d125i25I5I [2 marks]