QUIZ Read and Analyze each item carefully.Choose the letter of the correct answer and write in yellow paper. 1. It is a sequence where every term after the first term is obtained by adding the common difference. A. Arithmetic Harmonic B.Geometric C. Fibonacci D. 2. A constant added to each term of an arithmetic sequence to obtain the next term. of a sequence is called A. common ratio B.common difference C. arithmetic mean 3. What is the next term in the sequence 6, 12, 18, 24? A. 30 B.32 C. 40 4. Which term of the arithmetic sequence 2,4,6,... is 20? D. geometric mean D.42 A. 8th term B. 9th term C. 10th term 5. If three arithmetic means are inserted between -15 and 9. Find the first of these D. 11th term arithmetic means. A. 3 B.-3 C.-6 6. Find the common difference: 29, 21, 13, 5,... A.-10 B.-9 C.-8 7. If~a_{1}=10 and the common difference is -3, then: A. a_{n}=13-3n a_{n}=10+3_{1} D. B. a_{n}=13+3n D.-9 D. C. a_{n}=10-3n 8. -7, -4,-1, 2, 5, ... is an arithmetic sequence. What is the common difference? A. -4 B.-3 9. If a1 -31 and as- 5, Find a10. A. 14 B. 15 C. 3 C. 16 D. 4 D. 17 10.It is a sequence where each term is found by multiplying the previous term by a common ratio. A.Arithmetic B.Geometric C. Fibonacci D. Harmonic 11. A constant multiplied to each term of geometric sequence to obtain the next term of a sequence is called Acommon ratio B.common difference C. arithmetic mean D. geometric mean 12. Given the sequence 3, 15, 75, 375,... Which of the following is true? A. The sequence is arithmetic B. The sequence can be modelled by Fibonacci sequence C. The sequence is geometric D. The sequence can be modelled by Harmonic sequence 13. What is the common ratio of the geometric sequence 7, -7, 7, -7...? A. 7 B. 1 C. -1 D. -7 14. The next term of the geometric sequence 4, 16, 64, ... is A. 256 D.120 B.150 c.132 15. What is the common ratio of the sequence 28, 14, 7, 3.5,...? A.2 B.1/2 C.-7 D.-14​