quiz on matrices

What is the order of the given matrix?

• 1 x3

• 1 x 0

• 3 x 2

• 2 x 3

What is the augmented matrix of the given systems of equation?

• 
• 
• 
• 

It is a rectangular array of real numbers that can be used to solve a system of linear equations?

• Determinant

• Matrices

• Row-Echelon

What is the number on the entry a_2,3 of the given matrix?

• -1

• -2

• -3

• -4

A matrix containing all the entries found in the system of linear equation is called _____

• Determinant

• Coefficient Matrix

• Square Matrix

• Augmented Matrix

Two matrices are called ______ if one of the matrix is obtained from the other by a sequence of elementary row operation.

• Square Matrix

• Coefficient Matrix

• Augmented Matrix

• Equivalent Matrix

What is the solution of the system of linear equation in the variable x and y if its reduced row-echelon form is _____

• 1,2

• 1,4

• 2,4

• 4,2

An n x n matrix consisting of 1’s on its main diagonal and 0’s elsewhere is called ____

• Identity matrix

• Square matrix

• Diagonal matrix

• Row matrix

What is the value of x and y in the given matrix expression?

• 7, -3

• -3, 4

• -4, 4

• 4, -4

Matrix A and B have orders 3 x 2 and 2 x 4, what is the order of the of AB ?

• 3 x 2

• 2 x 4

• 2 x 2

• 3 x 4