20. In the arithmetic sequence 3a + 5b, 4a -b, 5a - 7b,..What is the eight tem? C. 11a - 43b A. 10a - 37b B. 10a - 48b D. 11a + 43b 21. A certain sequence follows the rule a = 3, az = 9, and an = -2n + an-1 for n2 3. What is its seventh term? %3D A. -53 C. -37 B. -41 D. -27 22. Which sequence is neither an arithmetic nor a geometric sequence? A. 5,15, 60, 300, 1800... B. ab?, a b', a'b, a'b", a'b

20. In the arithmetic sequence 3a + 5b, 4a -b, 5a - 7b,..What is the eight tem? C. 11a - 43b A. 10a - 37b B. 10a - 48b D. 11a + 43b 21. A certain sequence follows the rule a = 3, az = 9, and an = -2n + an-1 for n2 3. What is its seventh term? %3D A. -53 C. -37 B. -41 D. -27 22. Which sequence is neither an arithmetic nor a geometric sequence? A. 5,15, 60, 300, 1800... B. ab?, a b', a'b, a'b", a'b

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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