Basic Geometric Transformation

A rotation, reflection, or translation of the plane are all examples of:
(Choose the best answer)

• Basic Rigid Motions

• Transformations

• Dilations

• Axioms

Determine how to translate triangle ABC to triangle A'B'C'. 

• right 2, down 5

• right 2, down 9

• left 2, up 9

• left 2, down 9

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Translations, rotations, and reflections are three different types of what?

• Transformations

• Geometry

• Vectors

• Shapes

What is this picture an example of?

• Reflection

• Translation

• Rotation

• Dilation

What is the ordered pair for C' if reflected over the y-axis?

• (-3, 2)

• (3, 2)

• (-2, 3)

• (3, 0)

Point (-5,2) is reflected over the y axis.  Where is the new point located?

• (5,2)

• (-5,-2)

• (-5,2)

• (5,-2)

A turn is also called a ___________.

• Translation

• Reflection

• Rotation

• Transformation

Write a rule for the translation.

•  (x -1, y  + 2)

•  (x -2, y  + 1)

•  (x +2, y  - 1)

• (x +1, y  -  2)

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees around the origin

• Rotate -90 degrees around the origin and then translate down.

• Reflect across the x-axis and then reflect across the y-axis.

• Translate up and then rotate 90 degrees about the origin.