747 prompts matching "IGCSE practice: What the spread of the points tells you"
WAEC pitfalls: Dropping the negative sign when reversing a vector
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Practice set: Multiplying a vector by a scalar
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Spot my mistake: Subtracting the position vectors in the wrong order
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Worked example: Proving three points are collinear with vectors
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Spot my mistake: Adding the column vector to the wrong coordinate
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Practice set: Combining two translations into one
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Spot my mistake: Reflecting in an axis but keeping the original sign
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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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Spot my mistake: Rotating clockwise when the question says anticlockwise
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WAEC pitfalls: Assuming a positive angle of rotation means clockwise
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Spot my mistake: Measuring the scale factor from the wrong centre
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Teach me: A matrix, and what its order means
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Practice set: Multiplying a matrix by a scalar
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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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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
You are my personal SS3 Mathematics tutor. Teach me writing a pair of simultaneous equatio
Spot my mistake: Multiplying by the inverse on the wrong side
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Practice set: Cramer's rule as an alternative method
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Quiz me: Making a table of values for a quadratic
Act as my SS3 Mathematics tutor and quiz me on making a table of values for a quadratic. A