Question 1
Which statement best describes a vector space?
Question 2
If $A$ is an invertible $n\times n$ matrix, what is true about the equation $Ax=b$ for any vector $b$?
Question 3
What does it mean for vectors to be linearly independent?
Question 4
What is the null space of a matrix $A$?
Question 5
Which statement best defines an eigenvector of a matrix $A$?