matrix transformations

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11 Terms

1
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1 , 0,

0 , 1

Points do not change

2
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1 , 0

0 , -1

Reflection in the x-axis

3
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-1 , 0

0 , 1

Reflection in the y-axis

4
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0 , 1

1 , 0

Reflection in the line y=x

5
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0 , -1

-1 , 0

Reflection in the line y=-x

6
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0 , 1

-1 , 0

Rotation 90° clockwise about the origin

7
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-1 , 0

0 , -1

Rotation 180° about the origin

8
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0 , -1

1 , 0

Rotation 90° anticlockwise about the origin

9
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m , 0

0 , m

Enlargement by scale factor m, centre at the origin

10
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Add n to all the x coordinates (top row)

Translation in the x direction by n spaces

11
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Add n to all the y coordinates (bottom row)

Translation in the y direction by n spaces