GCSE Geography AQA 8035

5: Matrix Transformations

#5.1

All calculations will be restricted to 2 × 2 or 2 × 1 matrices

Multiplication of matrices

*Multiplying a 2 × 2 matrix by a 2 × 2 matrix or by a 2 × 1 matrix

Multiplication by a scalar*

#5.2

The identity matrix I\bold{I}

2 × 2 only

#5.3

Transformations of the unit square in the xyx - y plane

*Representation by a 2 × 2 matrix

Transformations restricted to rotations of 90°, 180° or 270° about the origin, reflections in the lines x=0x = 0 , y=0y = 0 , y=xy = x , y=xy = -x and enlargements centred on the origin*

#5.4

Combination of transformations

*Using matrix multiplications

Use of i\bold{i} and j\bold{j} notation is not required*

4
Calculus
6
Geometry