🌀 Determinants & Inverses Quiz 🐸

Welcome to the Determinants & Inverses Quiz! Test your understanding of linear algebra with these challenging questions. Let's see how much you know about matrices. Good luck!

1. What is the determinant of a 2x2 matrix \( \begin{pmatrix} a & b \\ c & d \end{pmatrix} \)?

2. If a matrix A is invertible, what is true about its determinant?