1) Find the 10th term of the geometric sequence 1, 3, 9, 27, ..... a) a10 = 1 (3)10 - 1 = 39 = 19683 b) a12 = 2 (3)10 - 1 = 39 = 19683 c) a10 = 1 (3)10 - 1 = 39 = 19638 2) Find the sum of the infinite geometric sequence 1, 1/4, 1/16, 1/64, ... a) 4/3 b) 3/4 c) 2/3 3) Find the sum of the first 15 terms of the geometric sequence 1, 1/2, 1/4, 1/8, .... Round your answer to 5 decimals. a) 1.99993 b) 1.99994 c) 1.95833 4) find the geometric sequence a) 2,4,6,8,10 b) 2,4,6,10,12 c) 2,4,8,1632 5) find the common ratio of: 6, 18, 54, 162, 486 a) 30 b) 13 c) 3

Geometry Sequence Quiz

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