Transformations

Question 1

In translations what is the amount a shape moves given by

Answer 1

A vector

Question 2

How is a vector written

Answer 2

X

Y

Question 3

What do the x a pond y in a vector represent

Answer 3

X = horizontal movement, 
Y = vertical mov movement

Question 4

What is added to the vector if the hope moves left or down

Answer 4

Negative x or y

Question 5

What details do you give to describe a rotation

Answer 5

1. The angle of rotation
2. The direction of rotation
3. The centre of rotation.

Question 6

What are + and - signs used in rotations

Answer 6

To show clockwise - or anti-clockwise +

Question 7

What do you do for reflections

Answer 7

Give the equation of the mirror line

Question 8

What must you specify for enlargement

Answer 8

1. The scale factor

2. The centre of enlargement

Question 9

What does scale factor = in enlargement

Answer 9

Scale factor = new length / old length

Question 10

If the scale factor is bigger than one…

Answer 10

The shape gets bigger

Question 11

If the scale factor is smaller than one…

Answer 11

The shape gets smaller

Question 12

The scale factor also tells you…

Answer 12

The relative distance of old points and new points from the centre of enlargement.

Question 13

What are combinations of transformations

Answer 13

When you have to do two transformations to the same shape then describe the single transformation that gets you to the final shape.