## Transformations Test

Unit Test #25

Select your answers to the following 10 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 Q1: Under a reflection, which properties of a shape are invariant. i.e. Do not change. A. The area of the shapeB. The angles in the shapeC. The length of the sides of theshapeD. All of the above Answer 1: A                    B                    C                    D Q2: The number of invariant points under a rotation is: A. 1B. 0C. infiniteD. 2 Answer 2: A                    B                    C                    D Q3: Under a reflection the object and the image are: A. always parallelB. different sizesC. always congruentD. never congruant Answer 3: A                    B                    C                    D Q4: What is the image of point D under the translation that maps ABCD to PQRS? A. PB. CC. SD. R Answer 4: A                    B                    C                    D Q5: Which vector would represent the translation that maps ABCD to PQRS in the diagram above? A. B. C. D. Answer 5: A                    B                    C                    D Q6: A square of side 2 units has its centre at the point (0, 0). If it is enlarged by a scale factor 3, centre (0, 0). Which of the following points would notbe one of the corners of the image? A. (3, 3)B. (3, 0)C. (3, -3)D. (-3, 3) Answer 6: A                    B                    C                    D Q7: Under a translation, a line and its image are: A. perpendicularB. parallelC. concurrentD. collinear Answer 7: A                    B                    C                    D Q8: The name of the transformation that maps ORTS to O'R'T 'S' is A. translationB. rotationC. reflectionD. none of the above Answer 8: A                    B                    C                    D Q9: If the transformation above was an enlargement what would be the scale factor? A. 1B. 0C. -1D. It could not be an enlargement. Answer 9: A                    B                    C                    D Q10: What is the image of the point (3, 1) under a rotation of 90°  if the centre of rotation is the origin (0, 0)? A. (-1, 3)B. (-1, -3)C. (1, -3)D. (1, 3) Answer 10: A                    B                    C                    D