Matrices
seven difficulty levels, timed, click to reveal
Difficulty
adding, multiplying and squaring matrices, then finding unknowns
1 · Adding scalar multiples
2 · Multiplying 2 × 2
3 · Multiplying other sizes
4 · Squaring
5 · Two operations
6 · One unknown
7 · Two unknowns (simultaneous)
Mixed 1–7
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