Basics of Dilations

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

Tags

CCSS.8.G.A.3

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

• True
• False

Tags

CCSS.8.G.A.3

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

• True
• False

Tags

CCSS.8.G.A.3

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

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3

If the Scale Factor is ½ , the copy will be a(n) __________________ .

• Reduction
• Enlargement

Tags

CCSS.8.G.A.3

If the Scale Factor is 5, the copy will be a(n) _________________ .

• Reduction
• Enlargement

Tags

CCSS.8.G.A.3

How is Figure F reduced to Figure B?

• Multiply each side by 1/2

• Multiply each side by 1/3

• Multiply each side by 1/4

• Multiply each side by 1/5

Tags

CCSS.7.G.A.1

Which scale factor will result in a dilation that is an enlargement?

• 2.5

• 1/2

• 0.4

• 1

Tags

CCSS.8.G.A.3

Which scale factor will result in a dilation that is a reduction?

• 5/4

• 0.2

• -3

• 7

Tags

CCSS.8.G.A.3

What would happen to a shape that was multiplied by a scale factor of 1?

• The shape would get bigger.

• The shape would get smaller.

• The shape would stay the same size.

• The shape would disappear.

Tags

CCSS.8.G.A.3