Transformations Quiz
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5 questions, one answer each
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1. Which piece of information is essential when describing a reflection?
- A. The scale factor
- B. The equation of the mirror line
- C. The angle of rotation
- D. The column vector
2. To fully describe a rotation, which of these must normally be stated?
- A. Centre, angle and direction
- B. Only the angle
- C. Only the centre
- D. Scale factor and centre
3. A shape is enlarged by scale factor 1/2 from a centre. What happens to the shape?
- A. It stays the same size
- B. It becomes larger
- C. It becomes smaller
- D. It flips over
4. Which transformation is fully described using a column vector alone?
- A. Rotation
- B. Reflection
- C. Enlargement
- D. Translation
5. A shape undergoes reflection followed by rotation, both applied to it in sequence. Which statement about describing this correctly is true?
- A. Only the reflection needs to be described
- B. The order in which the transformations are applied does not matter
- C. Both transformations must be described fully, in the order they are applied
- D. A combination of transformations cannot be described mathematically