Dilation Warm Up - 5/5- (8-2)

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

• True
• False

If the scale factor is between 0 and 1, the dilation is...

• an enlargement

• a translation

• a rotation

• a reduction

Figure S is dilated to create Figure T. Which rule represents this dilation?

• (x, y)→(2x, 2y)

• (x, y)→(1/2 x, 1/2 y)

• (x, y)→(3x, 3y)

• (x, y)→(4x, 6y)

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)

A dilation is which of the following: 

• only an enlargement
• only a reduction
• either an enlargement or a reduction
• neither an enlargement nor a reduction

A dilation always produces a similar figure. Similar figures have the same ______ but different ______. 

• measure; shapes
• sizes; shapes
• value; measures
• shape; sizes

Does the image show a Dilation? If yes, did the image enlarge, reduce or none of the above?

• Yes, enlarge
• Yes, reduce
• No

State the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.

• (5,3)
• (20,12)
• (-20,-12)
• (-5,-3)