Geometric Transformations Test Review

The following geometric transformations are considered rigid transformations (because they do not change the size or shape):

• Translations, Reflections, and Rotations

• Translations, Reflections, and Dilations

• Reflections, Dilations, and Rotations

• Translations, Reflections, Rotations, and Dilations

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

True or False: After a rigid transformation, the pre-image and image are congruent.

• True

• False

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

To translate a figure 3 units to the right and 2 units up, you would use the following rule:

• (x,y) --> (x + 3, y - 2)

• (x,y) --> (x - 3, y - 2)

• (x,y) --> (x + 3, y + 2)

• (x,y) --> (x - 3, y + 2)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

A reflection is best described as:

• A turn

• A slide

• An enlargement or reduction

• A flip

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

A rotation is best described as:

• A turn

• A slide

• An enlargement or reduction

• A flip

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

A dilation is best described as:

• A turn

• A slide

• An enlargement or reduction

• A flip

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

A translation is best described as:

• A turn

• A slide

• An enlargement or reduction

• A flip

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Which graph shows a polygon that is reflected across the y-axis?

• a

• b

• c

• d

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Find K' if the figure is reflected across the x-axis

• (4, 1))
• (-1, -4)
• (1, -4)
• (1, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic notation of a figure that is translated 9 units right and 3 units down?

• (x, y) --> (x - 9, y + 3)

• (x, y) --> (x + 9, y - 3)

• (x, y) --> (x + 3, y - 9)

• (x, y) --> (9x, 3y)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3