Name: 
 

Alg. II SOL AII.12



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

 1. 

Which is the multiplicative inverse of algiisolaii12_files/i0020000.jpg?
a.
algiisolaii12_files/i0020001.jpg
c.
algiisolaii12_files/i0020002.jpg
b.
algiisolaii12_files/i0020003.jpg
d.
algiisolaii12_files/i0020004.jpg
 

 2. 

Which matrix is its own multiplicative inverse?
a.
algiisolaii12_files/i0030000.jpg
c.
algiisolaii12_files/i0030001.jpg
b.
algiisolaii12_files/i0030002.jpg
d.
algiisolaii12_files/i0030003.jpg
 

 3. 

Which matrix equation is equivalent to the system of equations below?
algiisolaii12_files/i0040000.jpg
a.
algiisolaii12_files/i0040001.jpg
c.
algiisolaii12_files/i0040002.jpg
b.
algiisolaii12_files/i0040003.jpg
d.
algiisolaii12_files/i0040004.jpg
 

 4. 

At Monticello, the home of Thomas Jefferson, there is one admission price for adults (ages 12 and over) and another price for children aged 6-11. Children under 6 are admitted free. A family of six, 2 parents and 4 children ages 5, 7, 9, and 11, paid $44 for admission. Another family made up of 2 parents, a grandmother, 8-year-old twins, a 10 year-old, and a 14 year-old, paid $70. What is the price of an adult admission?
a.
$6
c.
$13
b.
$10
d.
$15
 

 5. 

Liam and Nani went shopping at a store that was having a sale where all DVDs were one price and all CDs were another price. Not including sales tax, Liam paid $69 for 2 DVDs and 3 CDs, while Nani paid $73 for 1 DVD and 5 CDs. If x represents the price of 1 DVD and y represents the price of 1 CD, which matrix equation can be used to find the price for each DVD and the price for each CD?
a.
algiisolaii12_files/i0060000.jpg
c.
algiisolaii12_files/i0060001.jpg
b.
algiisolaii12_files/i0060002.jpg
d.
algiisolaii12_files/i0060003.jpg
 

 6. 

Jenna spent a total of $14.32 for a combination of 37-cent and 23-cent postage stamps. The number of 37-cent stamps was 2 more than twice the number of 23-cent stamps. How many 23-cent stamps did she buy?
a.
30
c.
15
b.
28
d.
14
 



 
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