Practice problem
Which of the following are zero matrices?
[000000000]\begin{bmatrix} 0&0&0\\ 0&0&0\\ 0&0&0 \end{bmatrix}000000000
[000010000]\begin{bmatrix} 0&0&0\\ 0&1&0\\ 0&0&0 \end{bmatrix}000010000
[011101110]\begin{bmatrix} 0&1&1\\ 1&0&1\\ 1&1&0 \end{bmatrix}011101110
[000000000]2\begin{bmatrix} 0&0&0\\ 0&0&0\\ 0&0&0 \end{bmatrix}^20000000002
Type a concept, like “slope” or “photosynthesis”.