Name:    1.2 and 1.3 Arithmetic Sums and Geometric Sequences

True/False
Indicate whether the statement is true or false.

1.

Is the following sequence geometric?  Indicate True or False:

2.

Is the following sequence geometric?  Indicate True or False:

3.

Is the following sequence geometric?  Indicate True or False:

4.

Is the following sequence geometric?  Indicate True or False:

5.

Is the following sequence geometric?  Indicate True or False:

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

6.

Find the sum:
 a. 316 c. 370 b. 336 d. 300

7.

Find the sum:
 a. 4126 c. 4169 b. 4323 d. 4300

8.

Find the sum:
 a. 70 c. -70 b. 80 d. -80

9.

If the following is a geometric sequence, indicate the number of terms
 a. 20 c. 8 b. 19 d. 10

10.

If the following is a geometric sequence, indicate the number of terms
 a. 13 c. 17 b. 14 d. 12

11.

If the following is a geometric sequence, indicate the number of terms
 a. 12 c. 13 b. 9 d. 14

12.

Given the information of a geometric sequence, find the indicated unknown value.
 a. 0.23 c. 2.45 b. 1/4 d. 1/3

13.

Given the information of a geometric sequence, find the indicated unknown value.
 a. 0.25 c. 3 b. 1/4 d. 1/3

14.

Given the information of a geometric sequence, find the indicated unknown value.
 a. c. b. d. r=12

15.

Given the information of a geometric sequence, find the indicated unknown value.
 a. r =4 c. b. r = 5 d. r = 3

16.

Given the information of a geometric sequence, find the indicated unknown value.
 a. a =9 c. a = 8/9 b. a = 9/8 d. a = 4/9

17.

Given the information of a geometric sequence, find the indicated unknown value.
 a. a =16/9 c. a = ±16/9 b. a = -16/9 d. a = 4/3

18.

 a. 1230 c. 999 b. 990 d. 1000

19.

 a. 11 c. 12 b. 13 d. 15

20.

 a. 2.4 c. 2.6 b. 1.8 d. 3

21.

 a. 221.3 c. 142.6 b. 111.8 d. 167.6

22.

Given the equation of the general term    , find
 a. 289 c. 123 b. 294 d. 321

23.

Given the equation of the general term    , find
 a. 423 c. 411 b. 138 d. 399

24.

An arithmetic series has 24 terms.  The sum of the and is 45.  What is the sum of all the terms?

 a. 511 c. 525 b. 515 d. 540

25.

What is the sum of all the multiples of 7 between 10 and 200?
 a. 2423 c. 2924 b. 2835 d. 3031

26.

The first three terms of an arithmetic sequence is given by the following expressions: .  Find the sum of the first 10 terms
 a. 245 c. 295 b. 255 d. 305

27.

Suppose you had a generous friend that gave you money every day.  On the first day he would give you a dollar and then each successive the amount increase by 20%.  How much money will he give you on the 10th day?
 a. \$5.50 c. \$5.16 b. 420.00 d. 0.25

28.

What value of “x” in will form a geometric sequence?
 a. x=4 c. x= - 4 b. x=3 d. x=3/4

29.

Determine the value of “x” which makes a geometric sequence?
 a. x=4 c. x= - 4 b. x=3 d. x=3/4

30.

Determine of a geometric sequence if and
 a. x=12 c. x= - 8 b. x=8 d. x= - 12