Geometric Transformations

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Find K' if the figure is reflected across the x-axis

• (4, 1))
• (-1, -4)
• (1, -4)
• (1, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is this?

• Rotation

• Reflection

• Translation

• Enlargement

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Rotation Rules (clockwise):

90^o rotation: (x, y)→(y, -x)

What are the coordinates for A' after a 90^⁰ rotation clockwise?

• (1, 3)

• (3, 1)

• (3, -1)

• (1, -3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following describes the sequence of transformations shown?

• Reflect across the x-axis and then rotate -90 degrees around the origin
• Rotate -90 degrees around the origin and then translate down.
• Reflect across the x-axis and then reflect across the y-axis.
• Translate up and then rotate 90 degrees about the origin.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Pentagor VWXYZ is shown on a coordinate grid. A student reflected pentagon VWXYZ across the x-axis to create pentagon V'W'X'Y'Z'. Which rule describes this transformation?

• (x,y) → (x, -y)

• (x,y) → (x, y+8)

• (x, y) → (-y, x)

• (x,y) → (-x, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The image shows what type of transformation

• Rotation
• Translation
• Reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The image A'B'C' is a rotation of ABC.

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is this?

• Rotation
• Translation
• Dilation
• Reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of transformation is this?

• Dilation
• Reflection
• Rotation
• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5