GCSE Maths Specification

OCR J560

Section 9.01: Plane isometric transformaions

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#9.01a

Reflect a simple shape in a given mirror line, and identify the mirror line from a shape and its image.

Identify a mirror line \(x = a\), \(y = b\) or \(y = ± x\) from a simple shape and its image under reflection.

#9.01b

Rotate a simple shape clockwise or anti-clockwise through a multiple of 90° about a given centre of rotation.

Identify the centre, angle and sense of a rotation from a simple shape and its image under rotation.

#9.01c

Use a column vector to describe a translation of a simple shape, and perform a specified translation.

#9.01d

Perform a sequence of isometric transformations (reflections, rotations or translations), on a simple shape. Describe the resulting transformation and the changes and invariance achieved.