Scale Factor and Dilation Practice

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

• addition 

• subtraction 

• multiplication 

• division 

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

• reduction

• enlargement

• scale factor

• center of dilation

A dilation is which of the following: 

• only an enlargement

• only a reduction

• Either an enlargement or a reduction

• Neither an enlargement or a reduction

When a dilation has a scale factor greater than one, the dilation is an enlargement.

• True

• False

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

When the scale factor of a dilation is less than one, the dilation is a reduction.

• True

• False

If your SF = 0.8, what type of dilation is it?

• Reduction

• Enlargement

If your SF = 2.5, what type of dilation is it?

• Reduction

• Enlargement

If your SF = 6/5, what type of dilation is it?

• Reduction

• Enlargement

If your SF = 7/7, what happens to the figure when dilated?

• reduced

• enlarge

• preserve

• It turns into an octopus