Question 1 [2 marks]
Scale factor 2
Mark scheme
- A [2] — cao
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Scale factor 2
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Vertices of image: (3, 3), (7, 3), (7, 7), (3, 7)
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Vertices of image: (3, 3), (9, 3), (6, 9)
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Scale factor 2.5
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8 cm
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Enlargement with the given scale factor and centre (see diagram).
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Enlargement with the given scale factor and centre (see diagram).
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Vertices of image: (1.5, 0.5), (4.5, 0.5), (4.5, 3.5), (1.5, 3.5)
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125 cm²
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Enlargement with the given scale factor and centre (see diagram).
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Enlargement with the given scale factor and centre (see diagram).
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30 cm
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Vertices of image: (0, 1), (4, 1), (4, 3), (0, 3)
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12 cm²
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Scale factor 1.5
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Scale factor 1.5
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Vertices of image: (1.5, 1.25), (4.5, 1.25), (4.5, 3.5), (1.5, 3.5)
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Vertices of image: (-3, -3), (5, -3), (-3, 9)
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Enlargement with the given scale factor and centre (see diagram).
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21.2132 cm
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Enlargement with the given scale factor and centre (see diagram).
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63 cm²
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Vertices of image: (1.5, 2.5), (2.5, 2.5), (1.5, 4)
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Vertices of image: (-2, 0), (4, 0), (4, 3), (-2, 3)
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k = 3.5
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£38.40
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540π cm²
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468 cm²
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Reflection in the mirror line shown on the diagram.
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Enlargement with the given scale factor and centre (see diagram).
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