Transformations

Question 1

What does the top vector indicate?

Answer 1

Moving left to right

Question 2

What does the bottom vector indicate?

Answer 2

Moving up/down

Question 3

What do you need to include when describing ROTATIONS?

Answer 3

-Rotation
-Direction
-Centre of rotation

Question 4

How do you work out rotations without tracing paper?

Answer 4

1. Draw a line from one vertex of the shape to the centre of rotation
2. Move that vertex around the centre
3. If you can figure out the shape from that, work the rest out. If not, repeat for as many vertices as necessary

Question 5

What do you need to include when describing enlargement?

Answer 5

-Enlargement
-Scale factor
-Centre of enlargement

Question 6

How do you work out enlargement?

Answer 6

1. Find the vector from the centre of enlargement to each vertex.
2. Multiply each one by the scale factor

Question 7

How do you know if two shapes are mathematically similar?

Answer 7

Their height and width can be multiplied by the same ratio