20. Assessment Details

Quizzes — Quiz

Test your understanding of quizzes with 5 practice questions.

Practice Questions

Question 1

A matrix is in what form if every leading entry is $1$ and each leading $1$ is to the right of the leading $1$ in the row above it?

Question 2

What is the product of $\begin{bmatrix}1 & 2 \\ 3 & 4\end{bmatrix}$ and $\begin{bmatrix}2 & 0 \\ 1 & 5\end{bmatrix}$?

Question 3

What is the determinant of $\begin{bmatrix}3 & 1 & 2 \\ 0 & 4 & -1 \\ 0 & 0 & 5\end{bmatrix}$?

Question 4

How many vectors are in any basis of $\mathbb{R}^4$?

Question 5

For $A=\begin{bmatrix}5 & 0 \\ 0 & 2\end{bmatrix}$, which vector is an eigenvector corresponding to the eigenvalue $5$?