Problem
Determine the order of the matrix. \[ \left[\begin{array}{lll} -4 & -7 & -4 \end{array}\right] \] What is the order of the matrix? \[ \square \times \square \]
Solution
Step 1 ：Determine the order of the matrix. \[\left[\begin{array}{lll} -4 & -7 & -4 \end{array}\right]\] What is the order of the matrix? \[\square \times \square\]
Step 2 ：The order of the matrix is \(\boxed{1 \times 3}\)
