756 prompts matching "IGCSE Maths Y10: Similar triangles found inside one diagram — Common Mistakes"
Spot my mistake: Subtracting the position vectors in the wrong order
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Worked example: Proving three points are collinear with vectors
Act as my SS3 Mathematics tutor. Take me through one full worked example on proving three
Spot my mistake: Adding the column vector to the wrong coordinate
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Spot my mistake: Reflecting in an axis but keeping the original sign
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Worked example: Finding the mirror line from an object and its image
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Spot my mistake: Rotating clockwise when the question says anticlockwise
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Worked example: Finding the angle of rotation from an object and its image
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Spot my mistake: Measuring the scale factor from the wrong centre
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Worked example: Finding the centre of enlargement from object and image
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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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Spot my mistake: Forgetting to swap the leading diagonal when inverting
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Worked example: Verifying an inverse by multiplying back to the identity
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Spot my mistake: Multiplying by the inverse on the wrong side
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Worked example: Solving a 2 by 2 system by the matrix method
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Spot my mistake: Plotting a point from the wrong row of the table
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Worked example: Sketching a quadratic from its factorised form
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Spot my mistake: Reading the intersection off the wrong axis
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Worked example: Solving a quadratic graphically by adding a straight line
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Spot my mistake: Shading the wrong side of a boundary line
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