Dilation or Reductions

The blue shape is a dilation of the black shape. What is the scale factor of the dilation? Remember:

The purple shape is a dilation of the black shape. What is the scale factor of the dilation? Remember: 

Find the scale factor of the enlargement from A to B

• 2

• 0.5

• 3

• 4

Find the scale factor of the enlargement from D to A

• 1/2

• 3

• 1/4

• 4

The scale factor for this dilation is:

Mathematical Equivalence

ON

Find the scale factor of the enlargement from B to F

• 1/2

• 3

• 2

• 1/4

Enlargement or reduction?

• Enlargement

• Reduction

If a dilation is an ENLARGEMENT, the scale factor will be

• Greater than 1

• Less than 1

• Equal to 1

• No way to tell

If a dilation is a REDUCTION, the scale factor will be...

• Greater than 1

• Less than 1

• Equal to 1

• No way to tell

What kind of Dilation will take place when given the Scale Factor of ¹/_2.

• Enlargement

• Reduction