matrices

what is a matrix?

• A matrix is a rectangular array of numbers.

• a matrix is squares with numbers in them

• a matrix is always a 2 x 2 thing

• all of the above

What the numbers A11, A12 are called

• numbers of the matrix

• elements of the matrix.

• elements of matrix A.

• numbers and letters of the matrix

• all of the above

Matrices are denoted by?

• letters

• numbers

• shapes

• all of the above

Its elements are denoted by?

• non of them

• numbers

• capital letters

• small letters

The elements of the matrix are enclosed by which one?

• { }

• [ ]

• ( )

• " "

how many types of matrices are there?

• 4

• 11

• 5

• 2

what is a square matrix?

what is a rectangular matrix?

what is a diagonal matrix?

what is a scalar matrix?