\documentclass{exam}
\usepackage{hyperref}
\usepackage{amsmath}
\usepackage{amsfonts}
\begin{document}
\begin{center}
Worksheet 6 - Due 11/10
\end{center}
\begin{questions}
\question
You should be familiar with the theorem here: \url{http://kevinlui.org/au17m308/log/4-review.html}
\begin{parts}
\part
There is a somewhat obvious error. Find it.
\part
Write down all the different ways to express the nullity.
\end{parts}
\question
What is the absolute value of the determinant of the matrix in problem 2 of
worksheet 5?
\end{questions}
\end{document}