Transformation Rotation

What is the only rule that will flip the order of x and y?

• 180 degree rotation

• 90 degree or 270 degree rotation

• Reflection over the y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a 270 degree clockwise rotation?

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

• (x, y) --> (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for a 90 degree counterclockwise rotation?

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

• (x, y) --> (y, x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Parallelogram PQRS is rotated 180 degrees clockwise about the origin to create paralellogram P'Q'R'S'. Which rule describes this transformation?

• (x, y) --> (x, y)

• (x, y) --> (-x, -y)

• (x, y) --> (-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC is rotated 270 degrees counterclockwise about the origin to create triangle A'B'C'. Which rule describes this transformation?

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

• (x, y) --> (-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle ABC is rotated 90 degrees counterclockwise about the origin to create triangle A'B'C'. Which rule describes this transformation?

• (x, y) --> (-y, x)

• (x, y) --> (y, -x)

• (x, y) --> (-x, y)

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

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)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is this picture an example of?

• An angle

• A cat vertex

• Rotation

• Enlargement

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotation Rules (clockwise):

180^o rotation: (x, y)→(-x, -y)

What are the coordinates of C' after a rotation of 180° clockwise?

• (-3, -1)

• (3,1)

• (1,3)

• (-1, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5