Dilations Enlargement or Reducrement

Dilations will always keep the same ________

• Orientation

• Size

• Area

• Perimeter

When you dilate, you ______ x and y by a number.

• Multiply

• Add

• Subtract

• Divide

If k=1.25 (k is scale factor), then a dilation will result in a(n)______

• reduction

• enlargement

• scale factor

• center of dilation

Find the measure of x:

• 6

• 24

• 33

• 36

The __________ is the ratio of a length of the image to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation

Does the image show a dilation?

• Yes

• No

What is the scale factor from the small shape to the big shape?

• 1/2

• 7/3

• 2

• 10/3

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

What is the scale factor from ΔDEF to ΔABC?

• 2

• 3/2

• 2/3

• 1/2

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

• addition 

• subtraction 

• multiplication 

• division