Math 2 Unit 1 Review (Transformations)

Describe the transformation:

(x, y) -> (y, -x)

• reflection across the x-axis

• reflection across the y-axis

• rotation 90 degrees clockwise

• rotation 90 degrees counterclockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the transformation:

(x, y) -> (-y, x)

• reflection across the x-axis

• reflection across the y-axis

• rotation 90 degrees clockwise

• rotation 90 degrees counterclockwise

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A mirror image of a figure

• Translation

• Reflection

• Rotation

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What does it mean if two figures are congruent?

• The figures are the same shape, but different size

• The figures are different size and shape

• The figures are the same size and shape

• The figures are the same size, but different shape

Tags

CCSS.8.G.A.2

Are the figures congruent?

(What type of transformation is shown?)

• Congruent (rotation)

• Congruent (reflection)

• NOT Congruent (rotation)

• NOT Congruent (reflection)

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Are the figures congruent?

(What type of transformation is shown?)

• Congruent (rotation)

• Congruent (reflection)

• NOT Congruent (rotation)

• NOT Congruent (reflection)

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Determine how to translate triangle ABC to triangle A'B'C'.

• (x-2, y+5)
• (x+2, y-9)
• (x-2, y+9)
• (x-9, y+2)

Tags

CCSS.HSG.CO.A.2

Reflect the point (2, -4) over the y-axis.

• (-4, 2)
• (-2, 4)
• (-2, -4)
• (2, 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The point ( -2,5) is reflected over the line x = 1.  Find its image.

• (  4,  5)
• ( -2  , -5)
• ( 2  ,  5)
• (2   , -5)

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