581 prompts matching "A three-set Venn diagram from given numbers"
WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
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Real-life Nigeria: The lines of symmetry of a described figure
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Quiz me: Rotating a point 90 degrees about the origin
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WAEC pitfalls: Assuming a positive angle of rotation means clockwise
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Real-life Nigeria: Rotational symmetry and its order
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Real-life Nigeria: Scale drawings and the scales printed on maps
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Quiz me: Adding and subtracting matrices of the same order
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Worked example: Multiplying a 2 by 3 matrix by a 3 by 2 matrix
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WAEC pitfalls: Assuming matrix multiplication is commutative
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Real-life Nigeria: The identity matrix, and what it does
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Worked example: Verifying an inverse by multiplying back to the identity
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WAEC pitfalls: Dividing by a determinant of zero
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Real-life Nigeria: What a zero determinant tells you about a system
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Quiz me: Identifying the coefficient matrix and the constant matrix
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Worked example: Solving a 2 by 2 system by the matrix method
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WAEC pitfalls: Writing the coefficients out of order in the matrix
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Real-life Nigeria: Recognising a system that has no unique solution
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Quiz me: Making a table of values for a quadratic
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WAEC pitfalls: Joining the plotted points of a curve with straight lines
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