Module 10 Quiz

Which of the following describes a figure and its image under a dilation?

• They are equivalent.

• They are congruent.

• They are similar.

• None of the Above

Tags

CCSS.8.G.A.3

A figure is dilated by a factor of 3. Which of the following statements about the image of the figure is true?

• The perimeter decreases.

• The area decreases.

• Both the area and the perimeter decrease.

• Both the area and the perimeter increase.

Tags

CCSS.8.G.A.3

The only transformation that does not preserve size is a _____________

• translation

• reflection

• dilation

• rotation

Tags

CCSS.HSG.CO.A.2

The black triangle was transformed to make the gray triangle. Which represents the transformation?

• (x, y) → (x + 3, y + 3)

• (x, y) → (3x, 3y)

• (x, y) → (x - 2, y - 2)

• (x, y) → (x + 2, y + 2)

Tags

CCSS.HSG.CO.A.2

How is the image of a figure that is dilated related to the original figure?

• It is equivalent

• It is congruent

• It is similar

• It is rotated

Tags

CCSS.8.G.A.3

The vertices of a square are located at

(2, 2), (5, 2), (5, 5), and (2, 5). The square is dilated by a scale factor of 2. The center of dilation is the origin (0, 0). What are the coordinates of the vertices of the image of the square?

• (4, 4), (10, 4), (10, 10), (4, 10)

• (1, 1), (2.5, 1), (1, 2.5), (2.5, 2.5)

• (4, 4), (7, 4), (4, 7), (7, 7)

• (2, 2), (5, 2), (5, 5), (2, 5)

Tags

CCSS.8.G.A.3

KLMN is a rectangle. What is its image under a dilation with a scale factor of ⅓?

• a larger rectangle

• a smaller rectangle

• the same rectangle

• a perfect square

Tags

CCSS.8.G.A.3

A triangle with angles of 30 degrees, 60 degrees and 90 degrees is dilated by a scale factor of 3. What happens to the angles?

• They are tripled.

• They are divided by 3

• They stay the same.

• They are all increased by 3⁰

Tags

CCSS.8.G.A.3

A dilation of a triangle is drawn using a scale factor less than 1. Will the image be larger than the original triangle or smaller than the original triangle? Explain how you know.

Tags

CCSS.8.G.A.3

Identify the transformation shown on the grid below.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5