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A. Write the first four terms of the geometric sequence in which a, and r are as follows: 1. a, =7, r = -2 2. a, =3, r = 5

A. Write the first four terms of the geometric sequence in which a, and r are as follows: 1. a, =7, r = -2 2. a, =3, r = 5

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter12: Sequences, Series And Binomial Theorem
Section12.3: Geometric Sequences And Series
Problem 12.44TI: Write the first five terms of the sequence where the first term is 6 and the common ration is r=4.
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PROBLEM SET NO. 2 Name: Grade/Section: Score: Date: A. Write the first four terms of the geometric sequence in which a, and r are as follows: 1. a, =7, r = -2 2. а, %3, г%3D 5 B. Write the last four terms before a, of the geometric sequence in which a, and rare as follows: 3. а, 3 639, г %3 3 4. a,= -400, r = -5 C. Find the term indicated in each of the following geometric sequence. 5. 9th term of 27, 9, 3, .... 6. 7th term of 2, 6, 18, .... D. Find the nth term of the geometric sequence in which: 7. a, = 800, r = 1, n = 7 8. a, = 60, r = 1/2, n = 5 C. Analysis: 9. Find the common ratio of the geometric sequence, whose first term is 5 and whose 4th term is -320. 10. Find the common ratio of the geometric sequence whose first term is 4 and whose 3rd term is 36. D. Answer each question as indicated in each problem. 11. Find the positive geometric mean between 4 and 25. 12. Find the negative geometric mean between 4 and 64. 13. Between 32 and what other number is the positive geometric mean 8?
Transcribed Image Text:PROBLEM SET NO. 2 Name: Grade/Section: Score: Date: A. Write the first four terms of the geometric sequence in which a, and r are as follows: 1. a, =7, r = -2 2. а, %3, г%3D 5 B. Write the last four terms before a, of the geometric sequence in which a, and rare as follows: 3. а, 3 639, г %3 3 4. a,= -400, r = -5 C. Find the term indicated in each of the following geometric sequence. 5. 9th term of 27, 9, 3, .... 6. 7th term of 2, 6, 18, .... D. Find the nth term of the geometric sequence in which: 7. a, = 800, r = 1, n = 7 8. a, = 60, r = 1/2, n = 5 C. Analysis: 9. Find the common ratio of the geometric sequence, whose first term is 5 and whose 4th term is -320. 10. Find the common ratio of the geometric sequence whose first term is 4 and whose 3rd term is 36. D. Answer each question as indicated in each problem. 11. Find the positive geometric mean between 4 and 25. 12. Find the negative geometric mean between 4 and 64. 13. Between 32 and what other number is the positive geometric mean 8?
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