Reflections Rigid Motion

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

• Transformations

• Geometry

• Vectors

• Shapes

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is a rigid transformation?

• a transformation in

  which the size changes and shape of the figure does

  not change.

• a transformation in

  which the size and shape of the figure does

  not change.

• a transformation in

  which the shape changes and size of the figure does

  not change.

• a transformation in

  which the both the size and shape of the figure changes.

Tags

CCSS.HSG.CO.B.6

What properties stay the same on all rigid transformations?

• length of line

• measure of angle

• parallel lines

• orientation

Tags

CCSS.HSG.CO.A.2

The ordered pair (-3, 4) is reflected across the x-axis. What is the new ordered pair?

• (-3, -4)

• (3, 4)

• (3, -4)

• (-3, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What are the series of rigid motions that would map ∆ABC onto ∆A''B''C''?

• a reflection followed by a rotation

• a reflection followed by a translation

• a translation followed by a rotation

• a translation followed by a reflection

Tags

CCSS.8.G.A.3

Reflect triangle ABC across the y-axis:

• A' (-2, 5) B' (3, 1) C' (3, -3)

• A' (2, -5) B' (-3, -1) C' (-3, 3)

• A' (-2, -5) B' (-3, 1) C' (3, 3)

• A' (-2, 5) B' (3, -1) C' (3, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following describes the sequence of transformations shown?

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

• Rotate 90 degrees clockwise 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 counterclockwise about the origin.

Tags

CCSS.8.G.A.3

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

• (5,2)

• (-5,-2)

• (-5,2)

• (5,-2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Apply the following rule to the point (-5,6):
(x,y)-->(y,-x)

• (-5,-6)

• (5,-6)

• (6,5)

• (-6,5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If P is the pre-image and Q the image, select the correct segment that translates P to Q.

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5