Name:    PC 11 Ch1 Practice Test 2

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

What are the missing terms of the arithmetic sequence _, 3, 9, _, _?
 a. 1,   27,   81 c. 9,  3,  9 b. –6, 12,  17 d. –3, 15, 21

2.

Jason has set up a display of cans. The top row (Row 1) has 1 can and each successive row has 3 more cans than the previous row above. Which expression would represent the number of cans in row n?
 a. tn = 3n + 2 c. Sn = 3n – 3 b. Sn = 3n + 1 d. tn = 3n – 2

3.

What is the sum of the first five terms of the geometric series
16 807 – 2401 + 343 – . . .?
 a. 15987 c. 14706 b. 14707 d. 15989

4.

The numbers represented by a, b and c are the first three terms of an arithmetic  sequence. The number c, when expressed in terms of a and b, would be represented by
 a. a + b c. a + (n – 1)b b. 2b – a d. 2a + b

5.

The initial population is 10,000.  If the population is growing at a rate of 5%, what will the population be in 12 years?
 a. 17103 c. 19344 b. 18355 d. 209,944

6.

 a. 2.3 c. 3.3 b. 3.5 d. 7.4

7.

 a. 101m c. 131m b. 98m d. 56m

8.

 a. 70 c. 50 b. 51 d. 60

9.

 a. c. b. d.

10.

 a. c. b. d.

11.

 a. c. b. d.

12.

The sequence above follows an arithmetic progression. What will be the 10th term in the sequence?
 a. 10 c. 22 b. 37 d. 19

13.

 a. 40 c. 28 b. 35 d. 183

14.

 a. 10 c. 15 b. -5 d. 22