1. Which of the sequence is an arithmetic sequence?
A. 3, 9, 27, 81, …
B. 3, 6, 9, 12, …
C. 1, 4, 9, 16, …
D. 3, 6, 12, 24, …
2. All the sequence are arithmetic sequence except:
A. 1, 2, 3, 4, …
B. 2, 4, 6, 8, …
C. 3, 15, 27, 39, …
D. 4, 2, 1, 1 2 , …
3. What is the next term of the arithmetic sequence 4, 8, 12, 16, …?
A. 18
B. 19
C. 20
D. 22
4. What is the 9th term of the arithmetic sequence 3, 7, 11, 15, …? A. 35
B. 37
C. 38
D. 39
5. What is the arithmetic mean between 8 qnd 20?
A. 12
B. 14
C. 16
D. 18
6. Insert three arithmetic means between 7 and 23?
A. 8, 12 & 16
B. 9, 13 & 17
C. 10, 14 & 18
D. 11, 15 & 19
7. What is the sum of the first 5 terms of the arithmetic series when 1 = 2 and = −3?
A. -15
B. 15
C. 16
D. -16
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Answer:
1.d
2 .d
3 c
4.19
5.a
6.a
7.d
Step-by-step explanation:
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