Course content

44 lessons

7.1 · Transformations

0/16

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

0/9

7.3 · Magnitude of a vector

0/7

7.4 · Vector geometry

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7.1 · TransformationsLesson 2 of 16Free preview

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

In y = x the two coordinates swap places. In y = -x they swap and both change sign.