Exercises: Understand Zero and Identity Matrices

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

Grade 9·19 problems·~30 min·Common Core Math - HS Number and Quantity·standard·hsn-vm-c-10

Work through problems with immediate feedback

Recall / Warm-Up

Which matrix is the additive identity for $2 \times 2$ matrices?

$\begin{bmatrix}1&0\\0&1\end{bmatrix}$

$\begin{bmatrix}0&0\\0&0\end{bmatrix}$

$\begin{bmatrix}1&1\\1&1\end{bmatrix}$

$\begin{bmatrix}-1&0\\0&-1\end{bmatrix}$