Math 8 Interim #2 Review (Geometry)

The shape that is to be transformed is called the:

• Pre-Image

• Image

• Post-Image

• Transformation

After being transformed the new shape is called a(n):

• Pre-Image

• Post Image

• Transformed

• Image

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

What transformation is happening?

(x + 2, y - 3)

• slide up 2, left 3

• slide right 2, up 3

• slide right 2, down 3

• slide left 3, right 2

If you reflect the point (2, -4) over the y-axis, where is its image located?

• (-4, 2)

• (-2, 4)

• (-2, -4)

• (2, 4)

Identify the transformation from C to D.

• 90^o Counterclockwise Rotation

• 180^o Rotation

• 270^o Counterclockwise Rotation

• 360^o Rotation

What is the rule for the dilation pictured below?

• (x, y) → (½x, ½y)

• (x, y) → (x + 2, y + 2)

• (x, y) → (2x, 2y)

• (x, y) → (2x, 3y)

Does the transformation shown preserve congruence and/or orientation?

• Congruence yes, Orientation yes
• Congruence No, Orientation No
• Congruence No, Orientation yes
• Congruence Yes, Orientation No

Tags

CCSS.HSG.CO.A.2

Does the transformation shown preserve congruence and/or orientation?

• Congruence yes, Orientation yes
• Congruence No, Orientation No
• Congruence No, Orientation yes
• Congruence Yes, Orientation No

Tags

CCSS.HSG.CO.A.2

Which of the following are rigid transformations?

• Rotations

• Translations

• Reflections

• All Three