Math II - Rotations Quiz

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.3

CCSS.HSG.CO.A.5

Chose the correct transformation:
(x, y) ----- (-x, -y)

• 180 degree rotation
• 270 degree rotation
• 90 degree clockwise rotation
• 90 degree counter clockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the smallest angle measure needed to map an octagon onto itself?

• 50

• 90

• 45

• 60

What type of rotation does this represent?

• 270⁰ counterclockwise

• 360⁰

• 90⁰ counterclockwise

• 180⁰ counterclockwise

What is the smallest angle measure needed to map a pentagon onto itself?

• 72

• 60

• 45

• 36

If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of C' be?

• (-5, 5)

• (-3, 5)

• (-5, 3)

• (-3, 3)

If you rotate point B(2,-3) 270 degrees clockwise about the origin, what are the coordinate of B'?

• (-2,-3)

• (-3,-2)

• (3,2)

• (-2,3)

What is the definition of rotation?

• To move up, down, left, or right.
• To flip.
• To make a circular movement around a point.
• To mirror.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (-9,1) around the origin 90 degrees CW. State the image of the point.

• (1,9)

• (9,-1)

• (-1,-9)

• (-1,9)

Rotate the point (-5,8) around the origin 270 degrees counterclockwise. State the image of the point.

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)