Matrix Quiz

What are the horizontal arrays of elements in a matrix called?

• Columns

• Rows

• Cells

• Blocks

What are the vertical arrays of elements in a matrix called?

• Columns

• Rows

• Cells

• Blocks

What are the individual numbers in a matrix referred to as?

• Variables

• Entities or elements

• Digits

• Factors

How do you describe the size of a matrix?

• By the number of elements it contains

• By the numbers of rows and columns it contains

• By the sum of its diagonal elements

• By the number of non-zero elements it contains

When can you add or subtract matrices?

• When they have the same number of elements

• When they have the same size

• When they have the same determinant

• When one is the inverse of the other

How do you multiply a matrix by a scalar?

• Multiply the determinant of the matrix by the scalar

• Multiply the scalar by the inverse of the matrix

• Multiply every element in the matrix by the scalar

• Add the scalar to each element of the matrix

What is the result of transposing a 2x3 matrix?

• A 2x3 matrix

• A 3x2 matrix

• A 3x3 matrix

• A 2x2 matrix

What operation is performed to obtain the transpose of a matrix?

• Multiplying each element by -1

• Interchanging the matrix's rows into columns

• Adding 1 to each element of the matrix

• Dividing each element by the determinant of the matrix

Which keyword corresponds to the inequality symbol '>'?

• Fewer than

• Less than

• Exceeds

• At most

What does the inequality symbol '≤' represent?

• Greater than or equal to

• Less than or equal to

• No less than

• Above