GCSE Maths Notes: Transformations – Summary – Translations, Reflections, Rotations, Enlargements
The 4 basic transformations are illustrated above.
Each translation moves
in
thedirection
and
in
thedirection
and is written
A rotation is defined by three things: clockwise or anticlockwise,
the centre of rotation, written
and
the angle of rotation in degrees.
A reflection is described by the line of reflection or the mirror line – we write down the equation of the line.
An enlargement is defined by two things: The scale factor, a
number which may be positive or negative, and the centre of
enlargement written