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:
tf001-1.jpg
 

 2. 
Is the following sequence geometric?  Indicate True or False:
tf002-1.jpg
 

 3. 
Is the following sequence geometric?  Indicate True or False:
tf003-1.jpg
 

 4. 
Is the following sequence geometric?  Indicate True or False:
tf004-1.jpg
 

 5. 
Is the following sequence geometric?  Indicate True or False:
tf005-1.jpg
 

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

 6. 
Find the sum:
mc006-1.jpg
a.
316
c.
370
b.
336
d.
300
 

 7. 
Find the sum:
mc007-1.jpg
a.
4126
c.
4169
b.
4323
d.
4300
 

 8. 
Find the sum:
mc008-1.jpg
a.
70
c.
-70
b.
80
d.
-80
 

 9. 
If the following is a geometric sequence, indicate the number of terms
mc009-1.jpg
a.
20
c.
8
b.
19
d.
10
 

 10. 
If the following is a geometric sequence, indicate the number of terms
mc010-1.jpg
a.
13
c.
17
b.
14
d.
12
 

 11. 
If the following is a geometric sequence, indicate the number of terms
mc011-1.jpg
a.
12
c.
13
b.
9
d.
14
 

 12. 
Given the information of a geometric sequence, find the indicated unknown value. 
mc012-1.jpg
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. 
mc013-1.jpg
a.
0.25
c.
3
b.
1/4
d.
1/3
 

 14. 
Given the information of a geometric sequence, find the indicated unknown value. 
mc014-1.jpg
a.
mc014-3.jpg
c.
mc014-5.jpg
b.
mc014-4.jpg
d.
r=12
 

 15. 
Given the information of a geometric sequence, find the indicated unknown value. 
mc015-1.jpg
a.
r =4
c.
mc015-3.jpg
b.
r = 5
d.
r = 3
 

 16. 
Given the information of a geometric sequence, find the indicated unknown value. 
mc016-1.jpg
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. 
mc017-1.jpg
a.
a =16/9
c.
a = ±16/9
b.
a = -16/9
d.
a = 4/3
 

 18. 
mc018-1.jpg
a.
1230
c.
999
b.
990
d.
1000
 

 19. 
mc019-1.jpg
a.
11
c.
12
b.
13
d.
15
 

 20. 
mc020-1.jpg
a.
2.4
c.
2.6
b.
1.8
d.
3
 

 21. 
mc021-1.jpg
a.
221.3
c.
142.6
b.
111.8
d.
167.6
 

 22. 
Given the equation of the general term  mc022-1.jpg  , find  mc022-2.jpg
a.
289
c.
123
b.
294
d.
321
 

 23. 
Given the equation of the general term  mc023-1.jpg  , find  mc023-2.jpg
a.
423
c.
411
b.
138
d.
399
 

 24. 

An arithmetic series has 24 terms.  The sum of the mc024-1.jpg and mc024-2.jpgis 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: mc026-1.jpg.  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 mc028-1.jpgwill 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 mc029-1.jpga geometric sequence?
a.
x=4
c.
x= - 4
b.
x=3
d.
x=3/4
 

 30. 

Determine mc030-1.jpgof a geometric sequence if mc030-2.jpg and mc030-3.jpg
a.
x=12
c.
x= - 8
b.
x=8
d.
x= - 12
 



 
Check Your Work     Start Over