748 prompts matching "Real-life problem: Why the perpendicular from the centre bisects a chord"
Worked example: Sketching a cubic using its stationary points
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Teach me: What dy by dx means as a rate of change
You are my personal SS3 Mathematics tutor. Teach me what dy by dx means as a rate of chang
Worked example: Integrating a polynomial term by term
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Worked example: Proving three points are collinear with vectors
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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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WAEC pitfalls: Reflecting in y equals x by negating instead of swapping
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WAEC pitfalls: Assuming a positive angle of rotation means clockwise
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WAEC pitfalls: Assuming a negative scale factor simply shrinks a shape
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Teach me: A matrix, and what its order means
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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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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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Teach me: Solving an equation by finding where two graphs meet
You are my personal SS3 Mathematics tutor. Teach me solving an equation by finding where t
Worked example: Solving a quadratic graphically by adding a straight line
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Teach me: What linear programming sets out to optimise
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Teach me: Mean deviation, and what it measures
You are my personal SS3 Mathematics tutor. Teach me mean deviation, and what it measures,