Dilations

A dilation produces a similar figure

• True

• False

Tags

CCSS.8.G.A.3

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

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

If an image is dilated by a scale factor below, the dilation is a...

 $k\ =\ \frac{10}{3}$  

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Tags

CCSS.8.G.A.3

Dilate Point C by a scale factor of 3:

• (12,0)

• (12,12)

• (1, 2/3)

• (9, 6)

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

Does the image show a Dilation and what is the scale factor?

• Yes; k = 2

• Yes; k = 1/2

• No, it's a translation.

• No, it's a reflection.

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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(3,3) B(6,6) C(9,3)

• 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

CCSS.8.G.A.4

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction
• enlargement
• scale factor
• center of dilation

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

If a dilation produces a congruent figure, then the scale factor was equal to _____.

• 1/2
• 2
• 10
• 1

Tags

CCSS.8.G.A.2

CCSS.8.G.A.3