Exercises: Multiply Matrices and Vectors

Work through each section in order. Show your work where indicated.

Grade 9·20 problems·~30 min·Common Core Math - HS Number and Quantity·standard·hsn-vm-c-11

Work through problems with immediate feedback

Fluency Practice

Apply the matrix $\begin{bmatrix}0 & -1\\1 & 0\end{bmatrix}$ to $\mathbf{v} = \begin{bmatrix}3\\4\end{bmatrix}$ . What is the result?

$\begin{bmatrix}4\\3\end{bmatrix}$

$\begin{bmatrix}-4\\3\end{bmatrix}$

$\begin{bmatrix}3\\-4\end{bmatrix}$

$\begin{bmatrix}-3\\4\end{bmatrix}$