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YEAR 11 MATHS REVISION Transformations
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Translation B B 3 A 7 10 A 8 Describe the transformation fully that takes shape A to shape B. Describe the transformation fully that takes shape A to shape B. by vector ( ) 10 3 by vector ( ) -8 7 Translation Translation
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Translation Translate the shape by vector
5 5 5 5 5 5 5 5 5 5 7 7 5 5 10 10 7 7 7 7 7 7 7 7 10 10 7 7 9 9 9 9 Translate the shape by vector 9 right Translate the shape by vector 5 left 10 up 7 down
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Rotations Describe the transformation which takes shape A to B.
x B A Describe the transformation which takes shape A to B. Describe the transformation which takes shape A to B. A rotation 90° clockwise about the origin (0,0). A rotation 180° about the point (1,3).
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Rotations Rotate the shape clockwise 900 about the point (1,2)
Rotate this shape anticlockwise 1800 about the point (-3,2)
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Enlargement B A A 6 3 9 B Centre of enlargement 3 Centre of enlargement Describe the transformation fully that takes shape A to shape B. Describe the transformation fully that takes shape A to shape B. Enlargement, Enlargement, by scale factor , by scale factor 2, from centre (-6,-1) from centre (7,-4)
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Enlargement 6 10 9 9 7 9 6 4.5 4.5 3.5 6 6 12 3 5 3 3 3 9 2 2 4 1 3 Centre of enlargement Centre of enlargement Multiply all lengths by 3 Multiply all lengths by (÷2) Enlarge this shape by scale factor 3 with (-6,-4) as the centre of enlargement. Enlarge this shape by scale factor with (4,-3) the centre of enlargement
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Reflection A reflection in the line y = 3
y = x A A B x x B Describe the transformation that maps A to B Describe the transformation that maps A to B A reflection in the line y = 3 A reflection in the line y = x
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Reflection Reflect the shape in the line x = -1
y = 2 x = -1 y x x y x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Reflect the shape in the line x = -1 Reflect the shape in the line y = 2
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