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1. Which is the nth term of the arithmetic sequence-3.2.7, 12,... A. 3n + 5 B. 5n - 8 C. -3n+ 5

2. In the arithmetic sequence 31, 26, 21, ... find 076. A. 154 B. - 286 C. 416

3. In the arithmetic sequence -4,-1, 2, ..., which term is 80? A. 29th term B. 34th term C. 46th term

4. The 25th term of an arithmetic sequence is -143 while the 41st term is - 239. Find the 15th term. A.- 96 B. 78 C.-83 D. 108

5. Insert four arithmetic means between 9 and 34. What is the 3rd mean to be inserted? D. 52nd term A. 14 B. 33 C.29 D. 24

6. Insert 5 five arithmetic means between 27 and -15. What is the middle mean to be inserted? A. 10 B.-14 0.6 C. 8

7. In the arithmetic sequence-9, -6, -3, ..., 126, how many terms are there? A. 54 terms B. 62 terms C. 46 terms D. 39 terms

8. The 12th term of an arithmetic sequence is 86 while the 28th term is 214. Find the common difference. A. - 6 B. 8 C. - 4 - D. 9

9. What is the first term of the arithmetic sequence given in #8% A. 6 B.-4 C. 8 D.-2

10. What is the 50th term of the arithmetic sequence 10, 14, 18, ...? A. 198 B. 224 C.316 D. 206​

Sagot :

Mayo101019130015idn

Answer:

1. A

2. D

3. B

4. A

5. C

6. B

7. D

8.D

9. B

10.C

Hope it works

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