Matrices Flashcards
1
Q
Identity
A
(1 0)
(0 1)
2
Q
Reflection in the y axis
A
(-1 0)
(0 1)
3
Q
Reflection in the x axis
A
(1 0)
(0 -1)
4
Q
Rotation by 180 degrees
A
(-1 0)
(0 -1)
5
Q
Reflection in the line y=x
A
(0 1)
(1 0)
6
Q
Rotation by 90 degrees anticlockwise
A
(0 -1)
(1 0)
7
Q
Rotation by 90 degrees clockwise
A
(0 1)
(-1 0)
8
Q
Reflection in y=-x
A
(0 -1)
(-1 0)
9
Q
Enlargement by scale factor a from the origin
A
(a 0)
(0 a)
