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.





Under a reflection, which properties of a shape are invariant.

i.e. Do not change.

A. The area of the shape
B. The angles in the shape
C. The length of the sides of the
D. All of the above

Answer 1:





The number of invariant points under a rotation is: A. 1
B. 0
C. infinite
D. 2

Answer 2:





Under a reflection the object and the image are: A. always parallel
B. different sizes
C. always congruent
D. never congruant

Answer 3:





What is the image of point D under the translation that maps ABCD to PQRS?

A. P
B. C
C. S
D. R

Answer 4:





Which vector would represent the translation that maps ABCD to PQRS in the diagram above? A. 

Answer 5:





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:





Under a translation, a line and its image are: A. perpendicular
B. parallel
C. concurrent
D. collinear

Answer 7:





The name of the transformation that maps ORTS to O'R'T 'S' is

A. translation
B. rotation
C. reflection
D. none of the above

Answer 8:





If the transformation above was an enlargement what would be the scale factor? A. 1
B. 0
C. -1
D. It could not be an enlargement.

Answer 9:





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: