Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

$M = \begin{pmatrix}5 & 3 \\ 1 & -2\end{pmatrix}$ and $N = \begin{pmatrix}3 & -6 \\ 4 & 2\end{pmatrix}$.

(a)[2]

Calculate the matrix product $MN$.

(b)[2]

Calculate $M^{-1}$ for $M$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Matrix is correct” …