Quiz #3 Rotations

Rotation Rules:

180^o rotation: (x, y)→(-x, -y)

What are the coordinates of C' after a rotation of 180° counterclockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)
• (-3, -5)
• (-5, 3)
• (-3, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is this picture an example of? 

• An angle
• A cat vertex 
• Rotation 
• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The image A'B'C' is a rotation of ABC.

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• A

• B

• C

• D

What type of rotation does this represent (from red to blue)?

• 270⁰ clockwise
• 360⁰
• 90⁰ counterclockwise
• 180⁰

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the angle of the counterclockwise rotation?

• 90°

• 180°

• 270°

How many degrees was the figure rotated?

• 90 degrees counterclockwise

• 180 degrees

• 270 degrees counterclockwise

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

• 90°
• 180°
• 270°
• 360°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (7,8) around the origin 90 degrees counter clockwise. State the image of the point.

• (-7,-8)

• (8,-7)

• (-8,7)

• (8,7)