(a)[2]
Calculate $NM$.
(b)[2]
Find $M^{-1}$, the inverse of $M$.
Mathematics 0580 · IGCSE · Transformations
Transformations — practice question
$M = \begin{pmatrix} -2 & 0 \\ 5 & -6 \end{pmatrix}$ and $N = \begin{pmatrix} -3 & 1 \\ 0 & -1 \end{pmatrix}$.
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This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct matrix is $\begin{pmatrix} 11 & -6 \\ -5 & 6 \end{pmatrix}$” …
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