Nonrigid Transformations

Which of the following has been PRESERVED? (Choose ALL that apply)

• Size

• Shape

• Orientation

• None of these

Which figure is the IMAGE?

• ABC

• A'B'C'

• Not enough information

Which figure is the pre-image?

• Purple

• Blue

A dilation is which of the following: 

• only an enlargement

• only a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

When the figure is not congruent it is a.....

• rigid motion

• nonrigid motion

• image

• pre-image

Triangle EFG is the pre-image. Which graph shows a reflection across the y-axis and then a 270 degree counterclockwise rotation?

• 
• 
• 
• 

How is vertex J mapped onto vertex P?

• a translation left 3 units and up 4 units

• a translation left 4 units and up 3 units

• a translation right 3 units and down 4 units

• a translation right 4 units and down 3 units

Which rule BEST describes this transformation?

• (x,y) -> (-x, y)

• (x,y) -> (x-2, y-8)

• (x, y) -> (x, -y)

• (x, y) -> (x+8, y-2)

Which sequence of transformations maps rectangle WXYZ onto W'X'Y'Z'?

• 180 degree clockwise rotation about vertex W, followed by a translation 5 units left.

• 270 degree counterclockwise rotation about the origin, followed by a translation 5 units down.

• reflection across the line y = x

• translation 12 units left

Choose 2 TRUE statements about the given picture.

• Line s is the line of reflection that carries triangle EFG onto itself.

• Line t is the line of reflection that carries triangle EFG onto itself.

• The degree of rotational symmetry for equilateral triangle EFG is 120.

• The degree of rotational symmetry for equilateral triangle EFG is 60.

• Equilateral triangle EFG has 5 lines of symmetry.