4.3 Rotations Day 3

Which rule describes rotating 180° counterclockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Rotate the point (5,5) around the origin 180 degrees counterclockwise. State the image of the point.

• (5,-5)
• (5,5)
• (-5,5)
• (-5,-5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

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)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How many degrees was the figure rotated?

• 90 degrees counterclockwise 
• 180 degrees
• 270 counterclockwise 
• 90 degrees clockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

Triangle D is rotated 270° counterclockwise 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

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

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes rotating 90° counterclockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )