dilations

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

• addition 
• subtraction 
• multiplication 
• division 

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

If A'C' = 3 and AC= 9, what is the scale factor?

• 3

• 27

• $\frac{1}{3}$

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.

A ~ B. What is the scale factor of the dilation of A to B?

• 3

• 4

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 1/2.
• It's an enlargement; the scale factor is 2.
• It's a reduction; the scale factor is 1/2.
• It's a reduction; the scale factor is 2.

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

What scale factor was used to produce the image?

• 2
• 3
• 1/3
• 1/2