757 prompts matching "IGCSE Maths Y10: A scale factor problem set on a map — Exam Technique"
Worked example: Finding the equation of a tangent at a point
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WAEC pitfalls: Substituting into the original function instead of the derivative
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Worked example: Sketching a cubic using its stationary points
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WAEC pitfalls: Omitting to test the nature of a stationary point
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WAEC pitfalls: Dividing by the original index instead of the new one
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Worked example: Finding the magnitude and direction of a vector
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WAEC pitfalls: Confusing a position vector with a displacement vector
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Worked example: Finding the translation that maps one shape onto another
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WAEC pitfalls: Writing a column vector with its components reversed
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Worked example: Finding the angle of rotation from an object and its image
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WAEC pitfalls: Assuming a positive angle of rotation means clockwise
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WAEC pitfalls: Assuming matrix multiplication is commutative
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Teach me: What linear programming sets out to optimise
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Worked example: Testing the vertices of the feasible region
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WAEC pitfalls: Ignoring the non-negativity constraints
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WAEC pitfalls: Reading the quartiles off the wrong axis
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WAEC pitfalls: Dividing by the wrong number of items
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Worked example: The percentage error left by a rounded calculation
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Spot my mistake: Applying the simple interest formula to a compound problem
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Teach me: The formula for standard deviation of ungrouped data, and what each symbol means
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