Edexcel IGCSE Math B 5.B Matrix Addition & Multiplication Question Bank

Practise adding and subtracting corresponding entries and multiplying matrices by matching rows with columns.

Exam points

add or subtract corresponding entries only when the matrix orders match
form each product entry by multiplying a row by a column and summing the results
equate matching entries in a matrix equation to solve for an unknown parameter

[Maximum number: 2]

The points with coordinates (1,2),(1,5) and (3,2) are the vertices of triangle A.

Find the matrix product $\mathbf{M}\left(\begin{array}{lll}1 & 1 & 3 \\ 2 & 5 & 2\end{array}\right)$

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