Unit 1 Transformations Review

What transformation changes the size, but not the shape of a figure?

• Translation
• Orientation
• Dilation
• Rotation

A rigid motion describes which of the following transformations?

• Translation, Reflection, Rotation
• Transformation, Dilation, Rotation
• Dilation, Reflection, Rotation
• Rotation, Translation, Dilation 

Tags

CCSS.HSG.CO.B.6

R(-7, 6) is reflected over the x-axis.

• (7, -6)
• (-7, -6)
• (7, -6)
• (6, -7)

W(4, -3) is rotated 270° counterclockwise about the origin. 

• (-3, 4)
• (3, -4)
• (-3, -4)
• (3, 4)

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Coordinate change for Reflecting over x-axis

• (x, y) → (x, -y)

• (x, y) → (-x, y)

• (x, y) → (-x, -y)

• (x, y) → (-y, x)

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• Translated 5 units down and 5 units to the right
• Translated 5 units down and 1 to the right
• Translated 8 units down and 5 units to the right
• Translated 5 units down and 4 units to the right

Tags

CCSS.HSG.CO.A.2

State the line of reflection.

• Reflection across y-axis
• Reflection across x-axis
• Reflection across x = 1
• Reflection across y = 1

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point (8, 12) was dilated to become point (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6