Name: 
 

Alg. II SOL AII.11



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

 1. 

If algiisolaii11_files/i0020000.jpg, algiisolaii11_files/i0020001.jpg, and algiisolaii11_files/i0020002.jpg, which product is not possible?
a.
M ´ M
c.
N ´ M
b.
M ´ N
d.
N ´ P
 

 2. 

If algiisolaii11_files/i0030000.jpg, algiisolaii11_files/i0030001.jpg, which is the matrix that represents B ´ A?
a.
algiisolaii11_files/i0030002.jpg
c.
algiisolaii11_files/i0030003.jpg
b.
algiisolaii11_files/i0030004.jpg
d.
algiisolaii11_files/i0030005.jpg
 

 3. 

Which statement about matrices T and Q is true?
algiisolaii11_files/i0040000.jpg and algiisolaii11_files/i0040001.jpg
a.
The product T ´ Q is a 4 ´ 1 matrix.
b.
The product Q ´ T is a 1 ´ 4 matrix.
c.
The product Q ´ Q is a 2 ´ 1 matrix.
d.
The products T ´ Q, Q ´ T , and Q ´ Q do not exist.
 

 4. 

The Office Store sells two models of desk lamps. Matrix R shows the number of lamps of each model sold at the store during the first four months of 2004, while matrix S gives the price for each model.

algiisolaii11_files/i0050000.jpg

For which month did the store have the greatest total sales from these desk lamps?
a.
January
c.
March
b.
February
d.
April
 

 5. 

Matrix P shows the 2004 admission prices to Mount Vernon, George Washington’s home. Matrix A gives the number of admissions in each of the four age categories sold during two months last year.

algiisolaii11_files/i0060000.jpg
algiisolaii11_files/i0060001.jpg

What was the total sales from admission tickets for July?
a.
$896,300
c.
$361,850
b.
$534,450
d.
$354,260
 



 
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