Font size
WorksheetsMatrix - I
Total questions: 10
Worksheet time: 6mins
Matrix is _____________________.
arrangement of numbers
rectangular arrangement of numbers in the form of rows and columns
arrangement of numbers in the form of sequence
sequential arrangement of numbers in patterns
The given matrix is ___________ matrix.
Upper triangular
Lower triangular
Diagonal
Scalar
Matrix A is upper triangular matrix if ________________.
elements below the diagonal has to be zero and above the diagonal has to be non-zero
elements below the diagonal has to be non-zero and above the diagonal has to be zero
elements below the diagonal has to be zero
elements above the diagonal has to be non-zero
-8
3
10
8
3
2
-9
-8
3
10
8
3
2
Both matrices must be square matrices
The dimensions of both matrices must be equal.
The determinant of both matrices can't be 0.
The column of the 1st matrix must equal the row of the 2nd matrix
[ 1 4 -5
-4 5 9.1
5 -9.1 -2]
The above matrix is ___________.
Skew-symmetric
Anti-symmetric
Symmetric
None of these
The no. of possible matrices of order 3 by 3 with each entry 0 or 1 is
27
19683
81
512
Which is not always a square matrix?
Scalar Matrix
Diagonal
Zero
Identity
If two matrices have same order then they can be ____________.
Only be added
Only be subtracted
Only be multiplied
Can be added, subtracted, multiplied
If A x B = Zero matrix then
A must be zero matrix
Both A and B are zero matrices
Either A or B must be zero matrix
Neither A nor B need to be zero matrices
