# Matrices Practice Skills 2014

33 Questions | Total Attempts: 134  Settings  Related Topics
• 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.
• 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?
• 17.
What is the determinant for the above matrix?
• 18.
What is the determinant for the above matrix?
• 19.
What is the determinant for the above matrix?
• 20.
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?
• 22.
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