Unit 2 Practice Test Part II Name: Lamont Simpson 10/ 29 Date: Exponential Functions Quiz 1. In an arithmetic sequence the first term is 5 and the second term is 15, which of the following is the fifth term? (A) 55 (C) 45 (B) 405 (D) 24 2. In a geometric sequence the first term is 4 and the second term is 8, which of the following is the sixth term? (A) 0.5 (C) 16 (B) 128 (D) 2,048 3. Which statement is true about the sequence 1, 3, 9, 27? (A) The sequence is arithmetic because it is adding three to each term. (B) The sequence is exponential because it is adding three to each term. C) The sequence is arithmetic because it is multiplying three to each term. (D) The sequence is exponential because it is multiplying three to each term. 4. A geometric sequence is defined by an = a, * (2)"- and a, = 40. Which of the following represents the first five terms? (A) 40, 200, 1000, 5000, 25000 (C) 40, 60, 80, 100, 120 (B) 40, 80, 160, 320, 640 (D) 40, 42, 44, 46, 48 5. In an arithmetic sequence, the first term is 3 and the common difference is 4. What is the fourth term? (A) 6 (C) 196 (B) 15 (D) 11 6. In an exponential sequence, the first term is 4 and the common ratio is 0.5. What is the third term? (A) 1 (C) 6 (B) 0.5 (D) 80 7. In an exponential sequence, the first term is 5 and the common ratio is 3. What is the seventh term? (A) 23 (C) 1,215 (B) 3,645 (D) 33