Lesson 6.1: Matrix Basics Worksheet

Front

What is the order of a matrix?

Back

The order of a matrix is defined by the number of rows and columns it contains, expressed as 'rows x columns'.

Front

What do rows and columns refer to in a matrix?

Back

Rows are horizontal lines of elements, while columns are vertical lines of elements.

Front

What comes first in reference to matrix order?

Back

Row comes first in the order of a matrix.

Front

How is the order of a 3x1 matrix described?

Back

The order of a 3x1 matrix indicates it has 3 rows and 1 column.

Front

What is the order of a 2x3 matrix?

Back

A 2x3 matrix has 2 rows and 3 columns.

Front

What is a matrix?

Back

A matrix is a rectangular array of numbers or symbols arranged in rows and columns.

Front

How do you calculate the determinant of a 2x2 matrix?

Back

For a 2x2 matrix [[a, b], [c, d]], the determinant is calculated as ad - bc.

Front

What is the inverse of a matrix?

Back

The inverse of a matrix A is another matrix, denoted A^-1, such that A * A^-1 = I, where I is the identity matrix.

Front

What is a square matrix?

Back

A square matrix is a matrix with the same number of rows and columns.

Front

What is a zero matrix?

Back

A zero matrix is a matrix in which all elements are zero.