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Sequences

Sequences


Quizzes

1. An arithmetic sequence is a sequence where→the difference of successive terms is constant.
2. The sequence

-1, -1, -1, -1,...

is→both arithmetic and geometric

3. The sequence

0, -3, -6, -9, ...

is→arithmetic only.

4. The sequence

60, -30, 15, -7.5,...

is→geometric with 

5. An arithmetic sequence has a1 = 5 and d = 9. What is a25?�
6. An arithmetic sequence has a11 = 4.54 and a20 = 9.04. Find a1 and d.→d = 0.5 and a1 = -0.46
7. A geometric sequence has a = 100,000 and r = 0.2. Find a10.𔾴.0512
8. A geometric sequence has a5 = c and a10 = d. Which of the following is true?→
9. In a geometric sequence, the general term is given by→an = a1rn + 1
10. An arithmetic sequence has a8 = 9.5 and a9 = 9.75. What is a2?𔾻.75
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