# Matrices

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Identity matrix

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Further Maths

### 9 Terms

1

Identity matrix

1 0 0 1

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2

90 clockwise about the origin

0 1 -1 0

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3

180 about the origin

-1 0 0 -1

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4

270 clockwise about the origin

0 -1 1 0

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5

Reflection in y axis

-1 0 0 1

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6

Reflection in x axis

1 0 0 -1

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7

Reflection in y = x

0 1 1 0

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8

Reflection in y = -x

0 -1 -1 0

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9

Enlargement with centre origin

sf 0 0 sf

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