Matrices Flashcards
1
Q
90 anti-clockwise about the origin
A
0 -1
1 0
2
Q
180 rotation
A
-1 0
0 -1
3
Q
270 rotation anti-clockwise
A
0 -1
-1 0
4
Q
Enlargement
A
K 0
0 k
5
Q
Reflection in the y-axis
A
-1 0
0 1
6
Q
Reflection in the x-axis
A
1 0
0 -1
7
Q
Y=x
A
0 1
1 0
8
Q
Y=-x
A
0 -1
-1 0