Dimensions of a Matrix

You can multiply a 2X3 matrix by which matrix?

• 2X2

• 2X12

• 3X12

• 2X3

Dimension

• a

• b

• c

• d

What are the dimensions of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

The dimensions of a matrix with m rows and n columns are written as

• m x n

• n x m

State the dimensions of the augmented matrix for the system.

• 2 x 3

• 3 x 2

• 3 x 4

• 4 x 3

A _____ is a rectangular arrangement of numbers.

• matrix

• dimension

• coefficient

• system

State the dimensions of the augmented matrix for the system.

• 2 x 3

• 3 x 2

• 3 x 4

• 4 x 3

Name the order of this matrix.

• 6x2

• 2x6

• 12

• 36

Given matrices A & B:
A is a (4x33) matrix
B is a (33x1) matrix
 What are the dimensions of the product of A times B?

• 4x1

• 4x33

• 33x1

• Matrix does not exist

Name the order of this matrix.

• 3x1

• 1x3

• 3

• 1