3-3 ROTATION

How many degrees was the figure rotated?

• 90 degrees counterclockwise

• 180 degrees

• 90 degrees clockwise

• 270 degrees clockwise

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.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)

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

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

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

• 90°
• 180°
• 270°
• 360°

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

• True
• False

What is a transformation that turns a figure about a fixed point for a given angle?

• Point of Rotation 
• Vertex 
• Rotations
• Image 

Triangle A is rotated 270° counterclockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating 270° counterclockwise?

• (x,y)→(y, -x) 
• (x,y)→(x,y)
• (x,y)→(-y,x)
• (x,y)→(-x,-y)

Triangle C is rotated 180° clockwise with the origin as the center of rotation to create a new figure. Which rule describes rotating the triangle 180° clockwise?

• (x,y)→(y, -x)

• (x,y)→(-x,-y)

• (x,y)→(x,y)

• (x,y)→(-y,x)

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

• A

• B

• C

• D

Revolution is when an object moves in a circular path around another object, center or axis, which can be adjacent to the axis or a fixed distance from the axis.

• TRUE

• FALSE