Properties of Matrices (Edexcel A-Level Further Mathematics): Quizzes

$3 \times 2$

$\begin{pmatrix}1&0&0\\0&1&0\\0&0&1\end{pmatrix}$

Scale factor of volume change

$150$

Orientation has changed

$x$-$y$ plane

$\begin{pmatrix}1&0&0\\0&1&0\\0&0&-1\end{pmatrix}$

$\begin{pmatrix}-1&0&0\\0&1&0\\0&0&1\end{pmatrix}$

They remain the same

$z$-coordinate