Dilations

Enlargement or reduction?  Find the scale factor!

• 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.7.G.A.1

When the scale factor of a dilation is less than one, the dilation is a...

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

Choose the correct scale factor:

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.HSG.CO.A.2

Dilate Point C by a scale factor of 3:

• (12,0)

• (12,12)

• (1, 2/3)

• (9, 6)

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?

• A'(9,9) B'(18,18) C'(27,9)

• A'(6,6) B'(9,9) C'(12,6)

• A'(0,0) B'(3,3) C'(6,0)

• A'(1,1) B'(2,2) C'(3,1)

Tags

CCSS.8.G.A.3

If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?

• 3

• 1/3

• 8

• 16

Tags

CCSS.8.G.A.3

What is the scale factor?

• k = 2

• k = 1/2

• k = 4

• k = 1/4

Tags

CCSS.HSG.CO.A.2

Which function was used to produce the image?

• f(x, y) = (1/7x, 1/7y)

• f(x, y) = (7x, 7y)

• f(x, y) = (4x, 4y)

• f(x, y) = (8x, 8y)

Tags

CCSS.HSG.CO.A.2

A dilation produces a similar figure

• True

• False

Tags

CCSS.8.G.A.3

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

• ½

• ¼

• 4

• 2

Tags

CCSS.8.G.A.3