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The Timpson Lyceum
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Linear Algebra
4 drills
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2×2 Determinant
Compute ad − bc for a 2×2 matrix.
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Solve the System
Two equations, two unknowns — find the (x, y) that works.
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Matrix × Vector
Multiply a 2×2 matrix by a vector — rows dotted with the vector.
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Dot Product
Multiply matching components and add them up.