Rotations #1

Triangle A is rotated 270° clockwise with the origin as the center of rotation to create a new figure. Which of the following algebraic rules best represents the transformation?

• (x, y) --> (-x, -y)

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

• (x, y) --> (-x, y)

If you were to rotate ABCD 90° clockwise about the origin, which algebraic rule would best represent the rotation?

• (x,y) --> (-x,-y)

• (x,y) --> (x,-y)

• (x,y) --> (-y, x)

• (x,y) --> (y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotate the point (5,8) around the origin 270 degrees clockwise. Which of the following would be the new point?

• (-8,5)

• (8,-5)

• (8,5)

• (5,-8)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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

• (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

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

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle B is rotated 90° 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)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes rotating 180° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes rotating 270° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which rule describes rotating 90° clockwise?

• ( x, y ) → ( y, -x )

• ( x, y ) → ( -x, -y )

• ( x, y) → ( x, y )

• ( x, y ) → ( -y, x )

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following statements is true?

• Rotations preserve congruency and orientation.

• Rotations do not preserve congruency, but they do preserve orientation.

• Rotations do not preserve congruency or orientation.

• Rotations preserve congruency, but they do not preserve orientation.

Tags

CCSS.HSG.CO.A.2