.Find the 23rd term of the Arithmetic Progression -7, -3, 1, . . . * 88 60 4 81 2.Find the sum to infinity to the following Geometric Progression 9, -6, 4, . . . * 5 5 ? 4 5 ? 3.Determine the sequence of (4n - 6n) for 0 ? n ? 2, where n is a whole number. * -6, -2, 2 0, -2, 4 0, 1, 2 1, 4, -6 4.If a = 10 and d = 3 for an Arithmetic Progression, find an expression for the nth term. * 10 + 3n 3 - 10n 10 + (n - 1) 7 + 3n 5.How many terms are there in the following Arithmetic Progression -10 - 7 - 4 - ... + 50? * 12 13 19 21 6.Which of the following series is a Geometric Progression? * 20 + 17 + 14 +.....+ 2 2 + 7 + 12 + ... + 77 1 + 1? + 1? + ... + 4 4 + 8 + 16 + ... + 256 7.What is the common ratio in the following series 160 + 80 + 40 + 20 + 10 + 5? * 2/3 40 2 1/2 8.In the sequence 4, 13, 28, 49, ... the general term is : * 3n + 1 5n + 3 n^2 + 1 3n^2 + 1 9.The fifth term of an AP. is 16 and the third term is 4. Find the find the first term. * 2 -8 12 6 10.The first term of a geometric progression is 10 and the fourth term is 270. Find the common ratio. * -3 10 3 9 11.The third term of the A. P is 5 and the eight term is 10. Find the fifth term. * 7 5 3 1 12.Which of the following is an Arithmetic Progression? * 2, 4, 8 .... 1, 3/2, 2 .... 6, 3, 1.5 ... 2, 7, 10 .... 13.Which of the following is NOT an Arithmetic Progression? * 7, 37, 67, 97...... 10, 5, 0, -5.... 5, 9, 13, 17.... 3, 1, ?, 1/9 14.Identify , ? , 1/16 ...... as an example of which sequence? * Arithmetic Geometric Harmonic None of the above 15.)3, 5, 7 ..... 21 is an example of: * An infinite sequence An arithmetic progression A geometric progression An infinite series 16.Find the sum of the first 7 terms of the geometric sequence with first term 5 and common ratio 2. * 63 128 135 635 17.Find the 7th term of the following G.P. 10 + 25 + ... * 100 108 900 2441 18.What are the first four terms of a sequence whose general term is given by Tn = 2^n. * 4, 8, 16, 32 1, 4, 9, 16 1, 2, 4, 8 2, 4, 8, 16

19Use Cramer's rule to solve the equation

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