Dilations

A scale factor of less than one means

• that the prime image will be larger than the pre-image.
• That the prime image will be the same as the preimage.
• That you need to subtract that amount off  of each side.
• That the prime image will be a reduction of the preimage.

Tags

CCSS.7.G.A.1

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3

If the origin is the center of this dilation, choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2, with the origin as the center of the dilation.

• (1.5,-4)

• (-1.5,1)

• (-1,-1.5)

• (-2,-2)

Tags

CCSS.8.G.A.3

Is this an enlargement or a reduction? What is the scale factor if the origin is the center of dilation?

• It's a reduction; the scale factor is 2.

• It's an enlargement; the scale factor is 2.

• It's an enlargement; the scale factor is 1/2.

• It's a reduction; the scale factor is 1/2.

Tags

CCSS.8.G.A.3

A dilation preserves which of the following characteristics?

• Congruence

• Similarity

• Both

• None of these

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.7.G.A.1

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Tags

CCSS.8.G.A.3

A dilation with a scale factor k>1 is called what?

Tags

CCSS.8.G.A.3

a dilation with a scale factor 0<k<1 is called what?

Tags

CCSS.8.G.A.3