Dilations Review

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

• True
• False

Tags

CCSS.8.G.A.3

A dilation produces a congruent figure

• True

• False

Tags

CCSS.8.G.A.3

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True
• False

Tags

CCSS.8.G.A.3

State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.

• B' (2 , 4.5)

• B' (-8 ,-18)

• B' (8 ,18)

• B' (9 ,4)

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

What scale factor was used to produce the image?

• 2
• -2
• ¹/₂
• 1

Tags

CCSS.HSG.CO.A.2

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.4

CCSS.HSG.SRT.A.2

Dilate the figure by a scale factor of 1/3 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

Triangle JKL is dilated with the origin as the center of dilation to create triangle J'K'L'. Which rule best represents the dilation that has been applied to triangle JKL to create triangle J'K'L'?

• 
• 
• 
• 

Tags

CCSS.8.G.A.3

Dilate the figure by a scale factor of 7 with the origin as the center of dilation. What are the coordinates of the image?

A(-2,1) B(0,4) C(5,-3)

• A'(-2/7,1/7) B'(0,4/7) C'(5/7,-3/7)

• A'(-9,-6) B'(-7,-3) C'(-2,-10)

• A'(5,8) B'(7,11) C'(12,4)

• A'(-14,7) B'(0,28) C'(35,-21)