Dilations Quiz

Choose the correct scale factor that dilates DNPM onto D'N'P'M'.

• 2

• 3

• ⅓

• ½

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

A dilation is which of the following

• Only an enlargement

• Only a reduction

• An enlargement or reduction

• Neither an enlargement or reduction

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What are the coordinates of the image of point B (4, 9) where the center of dilation is the origin and the scale factor is 2?

• (2, 4.5)

• (-8, -18)

• (8, 18)

• (9, 4)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What are the coordinates of point B where the center of dilation is the origin and the scale factor is 3?

• (12, 0)

• (12, 12)

• (4, 3)

• (0, 12)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What are the coordinates of point B where the center of dilation is the origin and the scale factor is ½?

• (1.5, -4)

• (-1.5, 1)

• (-1, -1.5)

• (-2, -2)

What scale factor was used to produce the image?

• 2

• -2

• ½

• 1

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

What is the term for the amount a shape is dilated by?

• Enlargement

• Reduction

• Dilation rule

• Scale factor

Tags

CCSS.HSG.SRT.A.1

What is FALSE about dilations?

• The shape is the same.

• The size changes.

• Dilations can only occur with whole number scale factors.

• Dilations produce similar figures.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

After a shape has been dilated, the angles are

• Similar

• Congruent

• Smaller

• Larger

Tags

CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4