AQA · Mathematics · 8300
GCSE Maths: Transformations: mixture
Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Transformations: mixture (Corbettmaths Video 322), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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When describing an enlargement transformation, what three pieces of information must you include?
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Scale factor, centre of enlargement (coordinates), and the word 'enlargement'.
When describing a rotation transformation, what three pieces of information must you include?
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Angle of rotation (with direction: clockwise or anticlockwise), centre of rotation (coordinates), and the word 'rotation'.
A rotation of 90° anticlockwise is equivalent to a rotation of ? clockwise.
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270°
When describing a reflection transformation, what two pieces of information must you include?
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The word 'reflection' and the equation of the mirror line (e.g., x = 1 or y = -x).
What happens to a shape when it undergoes an enlargement with scale factor -1 about the origin?
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The shape is rotated 180° about the origin (it maps to the same position as a 180° rotation about the origin).
What does a negative scale factor in an enlargement indicate?
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The image appears on the opposite side of the centre of enlargement from the original shape.
Can two successive transformations sometimes be described as a single transformation?
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Yes. For example, two reflections can be equivalent to a rotation or translation, depending on the mirror lines.
When describing a translation transformation, what two pieces of information must you include?
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The word 'translation' and the translation vector showing horizontal and vertical movement.
The line ? is a diagonal line passing through the origin with gradient 1.
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y = x
The line ? is a diagonal line passing through the origin with gradient -1.
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y = -x
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