Question 1

What is the result if the matrix X is subtracted from matrix Y? 
 
A) 
B) 
C) 
D)

Accepted Answer

C

Question 2

A) 96
B) 72
C) 30
D) 24

Accepted Answer

B

Question 3

In the following matrix 'A', what is the value of A1,2 ? 
A) 3
B) 4
C) 5
D) 2

Accepted Answer

C

Question 4

A company has two offices represented by the matrices A and B. Each records the number of female and male staff and the number of managers and non-managers. Which option below represents the total number of female staff employed by the firm? 
A) 5
B) 20
C) 53
D) 73

Accepted Answer

The answer of A company has two offices represented by...

Question 5

A manufacturing company has a particularly error-prone machine and records the number of faults over 50 items (1 day's production). In the transition matrix T the number of times an error was produced is recorded, along with the result of the next item. Which option is the correct proportional transition matrix? 
 
A) 
B) 
C) 
D)

Accepted Answer

The answer of A manufacturing company has a particularly error-prone...

Question 6

A) 
B) 
C) 
D)

Accepted Answer

The answer of  
A) 
B) 
C) 
D) 
...

Question 7

Which of the following statements concerning the definition of matrices is NOT true?
A) The number at an intersection of a row and column is referred to as a value
B) A matrix can consist of any number of rows and columns
C) A matrix with the same number of rows as columns is called a square matrix
D) The size of a matrix is given by number of rows and columns (e.g. a by b matrix)

Accepted Answer

The correct term for the number at the intersection of a row and column in a matrix is an "element" or "entry," not a "value."

Question 8

Which of the following options for matrix C is the result of C = A*B?

A) 
B) 
C) 
D)

Accepted Answer

The answer of Which of the following options for matrix...

Question 9

If a 3x2 matrix is multipled by a 2x5 matrix what is the size of the resulting matrix?
A) 3x5
B) 3x2
C) 2x5
D) 2x2

Accepted Answer

When multiplying matrices, the size of the resulting matrix is determined by the outer dimensions of the matrices being multiplied. In this case, a 3x2 matrix multiplied by a 2x5 matrix results in a 3x5 matrix.

Question 10

A) 
B) 
C) 
D)

Accepted Answer

The answer of  
A) 
B) 
C) 
D) ...

Quiz 36: Matrices

What is the result if the matrix X is subtracted from matrix Y?

In the following matrix 'A', what is the value of A1,2 ?

A company has two offices represented by the matrices A and B. Each records the number of female and male staff and the number of managers and non-managers. Which option below represents the total number of female staff employed by the firm?

Which of the following statements concerning the definition of matrices is NOT true?

Which of the following options for matrix C is the result of C = A*B?

If a 3x2 matrix is multipled by a 2x5 matrix what is the size of the resulting matrix?