Practice problem
Which of the following are row vectors?
[13]\begin{bmatrix} 1 \\ 3 \end{bmatrix}[13]
[22−473−1]\begin{bmatrix} 2 & 2\\ -4 & 7 \\ 3 & -1 \end{bmatrix}2−4327−1
[137]\begin{bmatrix} 1 & 3 & 7\end{bmatrix}[137]
[2468]\begin{bmatrix} 2 & 4 & 6 & 8 \end{bmatrix}[2468]
555
Type a concept, like “slope” or “photosynthesis”.