Rotations and Reflections

The original figure prior to a transformation.

• Pre-image
• Image

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

If the rectangle were rotated 90º clockwise about the origin, what would be the coordinates of Z'?

• (2, -2)

• (-2, -3)

• (2, 2)

• (-3, -2)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Which transformation(s), no matter which one you do, will the resulting image be congruent? (select all that apply)

• translation

• reflection

• rotation

• dilation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

What is the angle of rotation for this counterclockwise rotation about the origin?

• 90°
• 180°
• 270°
• 360°

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What type of transformation is shown?

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Find J' if the is reflected over the x-axis.

• (-7, 7)

• (7, -7)

• (-7, -7)

• (7, 7)

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Which answer shows a reflection across the x-axis?

• d
• c
• b
• a

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

A counterclockwise rotation of 90° is the same as how many degrees of rotation clockwise?

• 90°

• 180°

• 270°

• 360°

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2