TRUE OR FALSE. Read each statement below carefully. Write T if you think the given statement is true. Write F if you think the given statement is false. Place your answer on the space provided after each statement.
1. The next three terms of the arithmetic sequences 19 12 are 10' 5 29 10
2. To get the sum of the terms of an arithmetic sequence, we use the formula Sn = [2a1 + (n = 1)d).
3. Numbers 12, 20, and 29 can be inserted as arithmetic means between 4 and 36.
4. The 19th term of the arithmetic sequence 2,9,16,23,... is 128.
5. -11,--7, -3,1 is an example of an infinite arithmetic sequence.
6. The common difference of the sequence 3.25,4.5,5.75, 7 is 1.5.
7. The value of d in the formula an = a1 + (n-1)d serves as the common difference.
8. One of the first 5 terms of an arithmetic sequence represented by the general term an = 14n - 21 is 63. -- _
9. An = 4n + 3 gives the arithmetic sequence with terms 11,15,19,23, and so on. The sum of the first 12 terms of this sequence is 460.
10. The sequence represented by an = 6n - 1 is arithmetic and has -1,5, 11, 17, 24, 29 as the first 6 terms.
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