5. Algebra and Systems

Matrices — Quiz

Test your understanding of matrices with 5 practice questions.

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Practice Questions

Question 1

Which of the following represents the dimensions of a matrix with 3 rows and 4 columns?

Question 2

If you add the following two matrices, what is the resulting matrix?
$\begin{bmatrix}1 & 2 \\ 3 & 4 \end{bmatrix} + \begin{bmatrix}5 & 6 \\ 7 & 8 \end{bmatrix}$

Question 3

Which of the following is the correct result of multiplying the matrix $\begin{bmatrix}2 & 0 \\ 1 & 3 \end{bmatrix}$ by the scalar 3?

Question 4

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

Question 5

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