Matrices Flashcards
1
Q
When stating the order of a matrix, you must always give the _______ followed by the _______.
A
When stating the order of a matrix, you must always give the rows followed by the columns.
2
Q
You can only add/ subtract matrices if…
A
they have the same order.
3
Q
You add matrices by…
A
adding the elements in corresponding positions.
4
Q
When you multiply a matrix by a number…
A
you times each element in the matrix by the number.
5
Q
When you multiply a square matrix by a column matrix you get…
A
a column matrix
6
Q
When you multiply 2 square matrices you get…
A
a square matrix
7
Q
Identity matrix =
A
1 0
0 1
8
Q
When a matrix is multiplied by the identity matrix…
A
it stays the same
9
Q
Zero matrix =
A
0 0
0 0
10
Q
When a matrix is multiplied by the zero matrix…
A
it produces the zero matrix
