What is the plural form of 'Matrix'?

• Matrixi

• Matrixs

• Matrices

• Matrixes

How is a matrix generally defined?

• A triangular array of numbers

• A linear array of numbers

• A circular array of numbers

• A rectangular array of numbers

In a matrix, what do the rows represent?

• Vertical elements

• Horizontal elements

• Diagonal elements

• Circular elements

How do you read the dimensions of a matrix?

• Diagonal by rows

• Rows by columns

• Rows by diagonal

• Columns by rows

What does the subscript in a matrix entry represent?

• The size of the entry

• The color of the entry

• The value of the entry

• The position of the entry in the matrix

What is another term used for 'entries' in a matrix?

• Factors

• Components

• Segments

• Elements

How many rows and columns does a matrix with dimensions 2x3 have?

• 3 rows and 3 columns

• 2 rows and 2 columns

• 3 rows and 2 columns

• 2 rows and 3 columns

If a matrix has 4 rows and 1 column, how is it represented?

• 4x4

• 1x4

• 1x1

• 4x1

What is the main focus of the upcoming videos after the introduction?

• Matrix multiplication

• Matrix subtraction

• Matrix addition

• Using matrices for various applications

What is the key takeaway about the structure of a matrix?

• Rows and columns are the same

• Rows go down, columns go across

• Rows are optional

• Rows go across, columns go down