17. What is the sum of the first 12 terms of the arithmetic sequence 5,9,13,17,...?
A. 230 B. 243 C.324 D. 342
18. Find the sum of the first 18 terms of the arithmetic sequence -3, -6, -9,-12,
A. -513
B. -523
C. 623 D643
19. Which term of the arithmetic sequence is -18, given that a
7 and a2 2?
A. 5th term
Both term
C.7" term
D 8th term
20. The first term of an arithmetic is 6, the last term is 52 and the sum is 406. Find the
number of terms.
A. 17
B. 16
C. 15
D. 14
21. The sum of the first 23 terms of an arithmetic sequence is 828. If the first term is 3, what
is the common difference?
1.2
B.3
ca
D.5
22. What is the 8th term of the geometric sequence 8,4,2,1, ...?
A. 1/8
B. 1/14 C. 1/16 D. 1/18
23. Joy gets a starting salary of P 9,000,00 and an increase of P 900.00 annually. How much
income did she receive for the first three years?
AP 324,000 BP 356,000
C. P 356,200 DP 326,700
24. Which of the following is the sum of the first 10th terms of the arithmetic sequence 8,
11, 14, 17, ...?
A. 213
B. 231
C.312 D 321
25. What is the sum of the first 18 natural numbers?
A. 121
B. 147
C. 157 D. 171
26. Which of these is an example of geometric sequence?
A. 18, 10, 12, 10
C. 5, -10, 20, -40
B.5,20, 80, 320,... D.7 2,5 2, 3 2. 2, ...
27. The first term of the geometric sequence is 6, and the second term is 18, what is the 6th
term?
A. 486
B. 972 C. 1,458 D. 1,468
28. What is the common ratio of the geometric sequence 4,28, 196 and 1,372?
A 4
B. 7
C. 8
D. 28
29. Given the common ratio of 4, the first term is 2, and the last term is 512?
A3
B.4
C.S
D. 6
30. Tom bought a car for P 600,000. The yearly depreciation of his car is 10% of its value
at the start of the year. What is its value after 3 years?
A. P 486,000 B. P 437,400 C. P 393,660 DP 385,600​