Dilations Centered at the Origin

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

What is the scale factor of the pictured dilation?

• k = 5

• k = 1/5

• k = 3

• k = 1/3

Quadrilateral FGHJ was dilated with the origin as the center of dilation to create quadrilateral F'G′H′J′. Which rule best represents the dilation that was applied to quadrilateral FGHJ to create quadrilateral F'G′H′J′? 

• A

• B

• C

• D

Dilate Point B by a scale factor of 3:

• (12,0)

• (12,12)

• (4,3)

• (0,12)

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

Point A (4,-5) is dilated with center (0,0) and scale factor k = 2. What are the coordinates of A'?

• (8, -10)

• (2, -5/2)

• (4, -2/5)

• (-8, 10)

Point A (5, 15) is dilated with center (0,0) and scale factor

k = 1/5. What are the coordinates of A'?

• (1,3)

• (5, 3)

• (-1, -3)

• (2,3)