Year 11 General Matrices And Matrix Arithmetic

The Basics Of A Matrix

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Questions

Question 1

29651

What is the order of matrix \(C\)

C=\left|\begin{array}{cccc}
2 & 4 & 7 & 16 \\
6 & 10 & 9 & 1
\end{array}\right|

Answer

\(8\)

Worked Solution

\begin{aligned}
\text { rows }&=2 ~\text { columns }=4 \\
\text {Order }&=\text { rows } \times \text { columns } \\
&= 2 \times 4 \\
&= 8
\end{aligned}

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