# Geometric Sequences - Page 5

Questions

- What is the recursive rule for the geometric sequence in #10, -80, 640, -5120#?
- Find the common ratio of the geometric sequence 36, 6, 1, 16.... Write your answer as an integer or fraction in simplest form?
- Is 0,0,0,... a geometric sequence?
- The first term of a geometric sequence is 5, and the third term is 16/5. How do you find the fifth term?
- What is the 41st term of the arithmetic sequence where a1 = 17 and a15 = –39 ?
- How do you find the 10th term in the geometric sequence 320, 160, 80, 40, ...?
- How do you find the 9th term in the geometric sequence 4.5, 9, 18, 36, ...?
- If a town having a population 5000 in 1971 has a 20 percent increase every 5 years, what is its expected population in the year 2001?
- How do you find the 7th term in the geometric sequence 2, 6, 18, 54, ...?
- How do you find the 6th term in the geometric sequence 25, 75, 225, 675, ...?
- How do you find the Nth term in the geometric sequence where the first term is 3 and the fourth term is #6sqrt2#?
- The first 31st term of a geometric sequence is 123 and the 32nd term is 1107. What is the 33rd term?
- How do you find r and a1 for the geometric sequence: a3 = 5, a8 = 1/625?
- Is 5, 10, 20, 40, 80, 160 a geometric sequence?
- Is 3, 6, 9, 12 ,15, 18 a geometric sequence?
- Is the sequence 24, 12, 6 a geometric sequence?
- How do you find the missing terms of the geometric sequence: 3,---,---,---,768?
- The lengths of the sides in a right triangle form 3 consecutive terms of a geometric sequence. How do you find the common ratio of the sequence?
- Three integers are in the ratio 2:3:8. If 4 is added to the middle number, the resulting number is the second term of a geometric progression of which the other two integers are the first and third terms. How do you find the three integers?
- How do you find the 7th term of the geometric sequence with the given terms #a_2 = 12, a_5 = -768#?