Matrices Practice Skills 2014
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- 1.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 2.Matrix A and Matrix D are equal matrices
- A.
True
- B.
False
- 3.P is a row matrix.
- A.
True
- B.
False
- 4.AK is undefined, but KA is defined.
- A.
True
- B.
False
- 5.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 6.AK is undefined, but KA is defined.
- A.
True
- B.
False
- 7.Matrix K has a determinant of 3.
- A.
True
- B.
False
- 8.The product matrix of DA will be a 2x3 matrix
- A.
True
- B.
False
- 9.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 10.
![The element could be the value 5. - ProProfs]( "The element could be the value 5.")
The element could be the value 5.- A.
True
- B.
False
- 11.There are two matrices for which a determinant may be derived
- A.
True
- B.
False
- 12.The matrix multiplication of QK would deliver a product matrix with the order 1x2
- A.
True
- B.
False
- 13.The order for seven matrices are described below.A is a 2x2 matrix. D is a 3x2 matrix. K is a 5x2 matrix. L is a 4x3 matrix.M is a 5x5 matrix. P is a 4x1 matrix. Q is a 1x5 matrixUse this information to answer the true/false statements below.
- 14.P is a row matrix.
- A.
True
- B.
False
- 15.Q is a column matrix.
- A.
True
- B.
False
- 16.
![What is the determinant for the above matrix? - ProProfs]( "What is the determinant for the above matrix?")
What is the determinant for the above matrix? - 17.
![What is the determinant for the above matrix? - ProProfs]( "What is the determinant for the above matrix?")
What is the determinant for the above matrix? - 18.
![What is the determinant for the above matrix? - ProProfs]( "What is the determinant for the above matrix?")
What is the determinant for the above matrix? - 19.
![What is the determinant for the above matrix? - ProProfs]( "What is the determinant for the above matrix?")
What is the determinant for the above matrix? - 20.
![The determinant for the above matrix is zero. What is the value of x? - ProProfs]( "The determinant for the above matrix is zero. What is the value of x?")
The determinant for the above matrix is zero. What is the value of x? - 21.
![The determinant for the above matrix is 15. What is the value of x? - ProProfs]( "The determinant for the above matrix is 15. What is the value of x?")
The determinant for the above matrix is 15. What is the value of x? - 22.
![The determinant for the above matrix is -15. What is the value of x? - ProProfs]( "The determinant for the above matrix is -15. What is the value of x?")
The determinant for the above matrix is -15. What is the value of x? - 23.A pair of equations is said to be 'inconsistent'. Which of the option below would describe the matrix equations.
- A.
The number matrix (A) must be a square matrix
- B.
Determinant will be a negative number
- C.
Determinant will be a positive number
- D.
Determinant will be zero
- E.
The number matrix (A) must be a 2x2 matrix
- F.
There will be no solutions for this matrix equation
- G.
There will be one set of solutions for this matrix equation
- H.
There will be an infinite number of solutions for this matrix equation
- 24.A pair of equations is said to be 'dependent'. Which of the option below would describe the matrix equations.
- A.
The number matrix (A) must be a square matrix
- B.
Determinant will be a negative number
- C.
Determinant will be a positive number
- D.
Determinant will be zero
- E.
The number matrix (A) must be a 2x2 matrix
- F.
There will be no solutions for this matrix equation
- G.
There will be one set of solutions for this matrix equation
- H.
There will be an infinite number of solutions for this matrix equation
- 25.A pair of equations is said to be neither 'dependent' nor 'indpendent'. Which of the options below would describe the matrix equations.
- A.
The number matrix (A) must be a square matrix
- B.
Determinant will not be zero
- C.
Determinant will be zero
- D.
The number matrix (A) must be a 2x2 matrix
- E.
There will be no solutions for this matrix equation
- F.
There will be one set of solutions for this matrix equation
- G.
There will be an infinite number of solutions for this matrix equation
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