Question

consider the following matrix:
let ( a = \begin{bmatrix} 27 & -30 \\ -34 & 21 \\ -31 & -40 \\ -28 & -2 \\ -20 & -1 end{bmatrix} )
step 1 of 3 : determine the order of ( a ).
answer
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Explanation:

Step1: Count matrix rows

Count the horizontal rows in $A$: there are 5 rows.

Step2: Count matrix columns

Count the vertical columns in $A$: there are 2 columns.

Step3: Define matrix order

Matrix order is $\text{rows} \times \text{columns}$.

Answer:

$5 \times 2$