6. Further Pure Mathematics

Matrices — Quiz

Test your understanding of matrices with 5 practice questions.

Practice Questions

Question 1

What is the dimension of a matrix that has 3 rows and 4 columns?

Question 2

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

Question 3

What is the determinant of the matrix $\begin{pmatrix} 5 & 2 \\ 3 & 4 \end{pmatrix}$?

Question 4

Which of the following matrices is the identity matrix for 2x2 matrices?

Question 5

Given the matrix $A = \begin{pmatrix} 2 & 4 \\ 1 & 3 \end{pmatrix}$, what is the inverse $A^{-1}$?