6. Advanced Topics

Matrices — Quiz

Test your understanding of matrices with 5 practice questions.

Practice Questions

Question 1

What is the size of the following matrix: $ \begin{pmatrix} 3 & 5 & 1 \\ 2 & 4 & 7 \end{pmatrix} $?

Question 2

What is the result of adding the matrices $ \begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix} $ and $ \begin{pmatrix} 5 & 6 \\ 7 & 8 \end{pmatrix} $?

Question 3

What is the determinant of the matrix $ \begin{pmatrix} 2 & 3 \\ 1 & 4 \end{pmatrix} $?

Question 4

Which of the following is the inverse of the matrix $ \begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix} $?

Question 5

If $ A = \begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix} $ and $ B = \begin{pmatrix} 2 & 0 \\ 1 & 2 \end{pmatrix} $, what is the product $ AB $?