Rotations

When you rotate 180 degrees the ( x , y ) becomes ?

• ( y , x )

• ( -y , x )

• ( -x , y )

• ( -x , -y )

When you rotate 90 degrees clockwise ( x , y ) becomes ?

• ( -x , -y )

• ( y , -x )

• ( y , x )

• ( -y , -x )

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

Triangle A 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

Identify the rule after a 180° CLOCKWISE or COUNTER CLOCKWISE
(x, y) ---> ___________

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

Triangle B is rotated 270° clockwise with the origin as the center of rotation to create a new figure. Which rule describes this transformation?

• (x,y)→(y, -x)

• (x,y)→(x,y)

• (x,y)→(-x,-y)

• (x,y)→(-y,x)

What is another word for rotation?

• Turn

• Flip

• Slide

• Shrink

When you rotate 180 degrees the ( x , y ) becomes ?

• ( y , x )

• ( -y , x )

• ( -x , y )

• ( -x , -y )

When you rotate 270 degrees clockwise the algebraic representation is ( x , y ) ---> ?

• ( -x , -y )

• ( -y , x )

• ( y , -x )

• ( x , y )

Identify the transformation from B to D.

• 90^o Clockwise Rotation
• 180^o Rotation
• 270^o clockwise Rotation
• 360^o Rotation