| Exam Board | AQA |
|---|
| Module | Further AS Paper 1 (Further AS Paper 1) |
|---|
| Year | 2019 |
|---|
| Session | June |
|---|
| Topic | Matrices |
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1 Which of the following matrices is an identity matrix?
Circle your answer.
$$\left[ \begin{array} { l l }
1 & 1
1 & 1
\end{array} \right] \quad \left[ \begin{array} { l l }
1 & 0
0 & 1
\end{array} \right] \quad \left[ \begin{array} { l l }
0 & 1
1 & 0
\end{array} \right] \quad \left[ \begin{array} { l l }
0 & 0
0 & 0
\end{array} \right]$$