Rotations Review

Turning an object on a coordinate plane to produce a congruent image is called a

• translation

• rotation

• reflection

• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write a rule to describe the rotation.

• 180° around the origin

• 90° around the origin

• 270° around the origin

• 360° around the origin

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The blue figure is a rotation of the red figure.

• True

• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the degree of rotation from NQRE to N'Q'R'E' ?

• 180°

• 90°

• -90°

• -270°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the degree of rotation from the black H to the red H?

• 270°

• 90°

• 180°

• 360°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for rotating 90° counterclockwise?

• (x, y) ---> (-x, -y)

• (x, y) ---> (y, -x)

• (x, y) ---> (-y, x)

• (x, y) ---> (-y, -x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for rotating any point/shape 180°?

• (x, y) ---> (y, x)

• (x, y) ---> (x, -y)

• (x, y) ---> (-x, y)

• (x, y) ---> (-x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for rotating the green image to the red?

• CW 90^o, (x,y)→(y,-x)

• CW 180^o, (x,y)→(-x,-y)

• CW 270^o, (x,y) →(-y,x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for rotating the green image to the red?

• CW 270^o, (x,y) →(-y,x)

• CW 90^o, (x,y)→(y,-x)

• CW 180^o, (x,y)→(-x,-y)

Tags

CCSS.HSG.CO.B.6

What is the angle of rotation for this counterclockwise rotation about the origin? From Red to Blue

• 90°

• 180°

• 270°

• 360°

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5