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Algebra 2 - Chapter 11 Practice Test



 1 

Find mc001-1.jpgfor the sequence 5, –1, –7, –13, –19, ...
A)
–19
C)
–79
B)
–73
D)
–67
 

 2 

The table shows the predicted growth of a particular bacteria after various numbers of hours. Write the rule for the sequence of the number of bacteria.
Hours (n)
1
2
3
4
5
Number of Bacteria
22
44
66
88
110
A)
mc002-1.jpg
C)
mc002-3.jpg
B)
mc002-2.jpg
D)
mc002-4.jpg
 

 3 

Is the sequence arithmetic? If so, identify the common difference. 8, 10, 16, 26, ...
A)
yes, 2
B)
yes, –2
C)
yes, 8
D)
no
 

 4 

Is the sequence geometric? If so, identify the common ratio.  2, 10, 50, 250, ...
A)
yes, 5
B)
yes, –5
C)
yes, 10
D)
no
 

 5 

Write the rule for the sequence.   mc005-1.jpg
A)
mc005-2.jpg
C)
mc005-4.jpg
B)
mc005-3.jpg
D)
mc005-5.jpg
 

 6 

Find the fifth term in the sequence.  mc006-1.jpg
A)
10
C)
–1250
B)
–80
D)
6250
 

 7 

The sequence 30, 33, 36, 39, 42, ..., 60 has 11 terms. Evaluate the related series.
A)
495
C)
435
B)
240
D)
465
 

 8 

Evaluate the series 3 + 6 + 12 + ... to mc008-1.jpg.
A)
381
B)
186
C)
93
D)
189
 

 9 

Evaluate the infinite geometric series.  mc009-1.jpg
A)
432
B)
6
C)
14.4
D)
86.4
 

 10 

Write the expression as a single logarithm.  mc010-1.jpg
A)
mc010-2.jpg
B)
mc010-3.jpg
C)
mc010-4.jpg
D)
mc010-5.jpg
 

 11 

Solve mc011-1.jpg.
A)
mc011-2.jpg
B)
mc011-3.jpg
C)
mc011-4.jpg
D)
mc011-5.jpg
 

 12 

Solve mc012-1.jpg. Round to the nearest hundredth if necessary.
A)
26
B)
3.85
C)
650
D)
0.15
 

 13 

Condense:  mc013-1.jpg
A)
mc013-2.jpg
B)
mc013-3.jpg
C)
mc013-4.jpg
D)
mc013-5.jpg
 

 14 

Simplify:  mc014-1.jpg
A)
mc014-2.jpg
C)
mc014-4.jpg
B)
mc014-3.jpg
D)
mc014-5.jpg
 

 15 

Simplify:  mc015-1.jpg
A)
mc015-2.jpg
C)
mc015-4.jpg
B)
mc015-3.jpg
D)
mc015-5.jpg
 

 16 

Solve:  mc016-1.jpg
A)
mc016-2.jpg
B)
mc016-3.jpg
C)
mc016-4.jpg
D)
mc016-5.jpg
 

 17 

Solve:  mc017-1.jpg
A)
mc017-2.jpg
B)
mc017-3.jpg
C)
mc017-4.jpg
D)
mc017-5.jpg
 

 18 

Two urns contain white balls and yellow balls. The first urn contains 5 white balls and 2 yellow balls and the second urn contains 6 white balls and 7 yellow balls. A ball is drawn at random from each urn. What is the probability that both balls are white?
A)
mc018-1.jpg
B)
mc018-2.jpg
C)
mc018-3.jpg
D)
mc018-4.jpg
 

 19 

Which is a simplified form of mc019-1.jpg?
A)
mc019-2.jpg
C)
mc019-4.jpg
B)
mc019-3.jpg
D)
mc019-5.jpg
 

 20 

The probability that a city bus is ready for service when needed is 82%. The probability that a city bus is ready for service and has a working radio is 69%. Find the probability that a bus chosen at random has a working radio given that it is ready for service. Round to the nearest tenth of a percent.
A)
11.9%
B)
13.0%
C)
84.1%
D)
88.4%
 



 
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