Question 1
Simplify $4a-2a+a$.
Question 2
What is $\begin{pmatrix}-1\\3\end{pmatrix}+\begin{pmatrix}4\\-5\end{pmatrix}$?
Question 3
Compute $-3\begin{pmatrix}2\\-1\end{pmatrix}$.
Question 4
Which vector is in the span of $\left\{\begin{pmatrix}1\\2\end{pmatrix}\right\}$?
Question 5
Which set is a basis for $\mathbb{R}^2$?
