NEW
Font size
WorksheetsBASIC MATRICES
Total questions: 15
Worksheet time: 9mins
The number of columns in a 4 x 2 matrix is?
2
4
6
8
The number of rows in a 4 x 8 matrix is?
4
8
12
32
If a matrix has equal number of rows and columns, then it is said to be
row matrix
identical matrix
square matrix
rectangular matrix
If A and B are matrices, then which from the following is true
A + B ≠ B + A
(AT)T ≠ A
AB ≠ BA
all are true
We can add two matrices if their
order is the same
rows are the same
columns are the same
elements are the same
The addition of the above matrices gives a
3 x 3 matrix
3 x 2 matrix
2 x 3 matrix
2 x 2 matrix
none of the above
Add
11 8
-4 2
3 2
-6 -6
-3 2
-4 -6
10 8
-6 2
Find the value of x, y and z.
x = 9, y = -1, z = 4
x = 3, y = -1, z = 7
x = 3, y = -1, z = 1
x = 2, y = -1, z = 7
If the order of matrix A is m x p. And the order of B is p x n . Then the order of matrix AB is ?
m × n
n × m
n × p
m × p
Two matrices A and B are multiplied to get AB if
both are rectangular
both have same order
number of columns of A is equal to columns of B
number of rows of A is equal to columns of B
Which of the following matrix multiplications would not be possible?
a 5×6 matrix with a 6×3
a 4×3 matrix with a 3×3
a 2×2 matrix with a 3×3
a 5×6 matrix with a 6×3 matrix
none of the above
When you multiply a matrix by the identity matrix, you obtain the
inverse matrix.
the transpose matrix.
adjoint matrix.
cofactor matrix.
original matrix.
Matrices obtained by changing rows and columns is called
rectangular matrix
transpose
symetric
None of Above
The multiplication of the above matrices gives a
3 x 1 matrix.
1 x 3 matrix.
1 x 1 matrix.
3 x 3 matrix.
none of the above
Multiply the above matrices.
