Cambridge O Level Mathematics: Transformations and Vectors (4024)

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44 lessons

7.1 · Transformations

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Reflection in a vertical or horizontal line

Preview12m

Reflection in the lines y = x and y = -x

Preview12m

Describing a reflection: finding the mirror line

12m

Rotation through multiples of 90° about the origin

12m

Rotation about a centre

12m

Describing a rotation: centre, angle and direction

12m

Enlargement with a positive scale factor

12m

Enlargement with a fractional scale factor

12m

Enlargement with a negative scale factor

12m

Describing an enlargement: centre and scale factor

12m

Translation by a vector

12m

Describing a single transformation fully

12m

Combinations of transformations

13m

Transformations: timed practice

Transformations: exam practice

15m

Transformations: summary

7.2 · Vectors in two dimensions

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7.3 · Magnitude of a vector

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7.4 · Vector geometry

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7.1 · TransformationsLesson 4 of 16

Rotation through multiples of 90° about the origin

A rotation turns every point about one fixed centre. Use tracing paper for 90° clockwise, 90° anticlockwise and 180°.

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