6-3: Analyze Rotations Review

How does rotation affect the properties of a two-dimensional figure?

• It changes the size of the figure.

• It changes the shape of the figure.

• It changes the orientation of the figure.

• It changes the color of the figure.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How does a rotation affect the properties of a two-dimensional figure?

• It changes the size of the figure.

• It changes the shape of the figure.

• It changes the position of the figure.

• It changes the color of the figure.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is a rotation in geometry?

• A transformation that turns a figure around a fixed point

• A transformation that slides a figure in a straight line

• A transformation that enlarges a figure

• A transformation that reflects a figure over a line

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the center of rotation?

• The point around which a figure is rotated

• The line over which a figure is reflected

• The point from which a figure is enlarged

• The line along which a figure is translated

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What does a positive angle of rotation do to a figure?

• Turns the figure counterclockwise

• Turns the figure clockwise

• Reflects the figure

• Enlarges the figure

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What happens to the size, shape, and orientation of an object when it is rotated about its center?

• The size, shape, and orientation change.

• Only the size changes.

• Only the shape changes.

• The size, shape, and orientation remain the same.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the rule for rotating a point 90° counterclockwise about the origin?

• (x, y) → (y, -x)

• (x, y) → (-y, x)

• (x, y) → (-x, -y)

• (x, y) → (x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If point A is at (2, 3), what are the coordinates of A' after a 90° counterclockwise rotation?

• (3, -2)

• (-3, 2)

• (-2, -3)

• (2, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the transformation of the coordinates (x, y) when a figure is rotated 90° counterclockwise about the origin?

• (y, -x)

• (-y, x)

• (-x, -y)

• (x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the transformation of the coordinates (x, y) when a figure is rotated 180° counterclockwise about the origin?

• (-x, -y)

• (y, -x)

• (-y, x)

• (x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5