Dilations Enlarge Reduce

segment AB is 3 units long if it were dilated by a factor of 5 ... How long would segment A'B' be

• 15

• 3

• 12

• 3/5

Tags

CCSS.8.G.A.3

A dilation creates a similar figure.

• True

• False

Tags

CCSS.8.G.A.3

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

Tags

CCSS.8.G.A.3

Triangle DOG has coordinates D (0,0) O (0,4) and G ( 1,5) where is O' after a dilation of scale factor 7

• (7,35)

• (7,28)

• (0,28)

• (0,0)

Tags

CCSS.8.G.A.3

Triangle CAT has coordinates C (4,8) A (6,10) and T ( 6,4) where is A' after a dilation of scale factor of 1/2 

• (6,10)

• (3,2)

• (3,5)

• (0,0)

Tags

CCSS.8.G.A.3

Dilation means

• enlarge or reduce

• similar

• multiply

• All the above

Tags

CCSS.8.G.A.3

What scale factor was used to produce the image?

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What scale factor was used to produce the image?

• 2

• -2

• ¹/₂

• 1

Tags

CCSS.HSG.CO.A.2

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 r = 2.

• (2,4.5)

• (-8,-18)

• (8,18)

• (9,4)

Tags

CCSS.8.G.A.3

The red triangle has been dilated by a scale factor of 1/4 about the origin, which triangle is it's new image? 

• green triangle 

• red triangle 

• black triangle

• none of these 

Tags

CCSS.8.G.A.3