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Further Maths - Matrices
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Edmé
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Cards (18)
Identity
Matrix,
points
do
not
move
Reflection
in
the
x-axis
Reflection
in
the
y-axis
Reflection
in
line
y
=
x
Reflection
in
line
y
=
-x
Rotation
90
degrees
clockwise
about
0
Rotation
180
degrees
about
0
Rotation
90
degrees
anticlockwise
about
0
Enlargement
scale
factor
M,
centre
0
Identity matrix, points do not move
1,0,0,1
Reflection in the x-axis
1
,0,
0
,
-1
Reflection in the y-axis
-1,0,0,1
Reflection in line y=x
0
,
1
,
1
,
0
Reflection in line y=-x
0
,-1,
-1
,
0
Rotation 90 degrees clockwise about 0
0
,
1
,
-1
,
0
Rotation 180 degrees about 0
-1,0,0
,
-1
Rotation 90 degrees anticlockwise about 0
0
,
-1
,
1
,
0
Enlargement scale factor m, centre 0
m
,
0
,
m
,
0