753 prompts matching "Real-life question: Finding the original quantity after an increase in a given r"
WAEC pitfalls: Confusing a position vector with a displacement vector
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Teach me: A translation described by a column vector
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WAEC pitfalls: Writing a column vector with its components reversed
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Practice set: Combining two translations into one
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WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
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Practice set: Reflecting a shape in a line parallel to an axis
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Teach me: Rotation, and its centre, angle and direction
You are my personal SS3 Mathematics tutor. Teach me rotation, and its centre, angle and di
WAEC pitfalls: Assuming a positive angle of rotation means clockwise
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Teach me: Enlargement, and its centre and scale factor
You are my personal SS3 Mathematics tutor. Teach me enlargement, and its centre and scale
WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Teach me: A matrix, and what its order means
You are my personal SS3 Mathematics tutor. Teach me a matrix, and what its order means, wo
Spot my mistake: Multiplying matrices whose orders do not match
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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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Practice set: Multiplying a matrix by a scalar
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Exam timing: A timed set of matrix operations
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WAEC pitfalls: Dividing by a determinant of zero
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Teach me: Writing a pair of simultaneous equations in matrix form
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Practice set: Cramer's rule as an alternative method
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Exam timing: A timed set of matrix-method simultaneous equations
Act as my SS3 Mathematics tutor. Set me a timed run of questions on a timed set of matrix-