Matrices Vocab and Operations

A matrix is a __________ array of numbers.

• Rectangular

• Triangular

• Circular

What do the arrows represent?

• Matrix Columns

• Matrix Rows

What do the arrows represent?

• Matrix Columns

• Matrix Rows

The ORDER of a matrix gives you the _______ of that Matrix.

• Dimensions: (Row X Column)

• Dimensions: (Column X Row)

• Largest or smallest number

• Location of each number

What is the order for the Matrix to the left?

• 3 X 4

• 4 X 3

• 12

• 18

What is the order for the Matrix to the left?

• 3 X 5

• 5 X 3

• 15

• 6

Identify the correct entry for Matrix A:

a₂₂

• 11

• 24

• 82

• 98

Identify the correct entry for Matrix A:

a₄₃

• 44

• 82

• 13

• 24

In the Matrix A to the left, where is the number 67 located?

• a₁₃

• a₃₁

• a₄₄

• a₁₁

Perform the operation for Matrix A and Matrix B:

A + B

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