Open Up 8th Grade Unit 2

Dilate A using P as the center of dilation and a scale factor of 4 .Where is the new point?

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CCSS.8.G.A.1

CCSS.8.G.A.3

CCSS.8.G.A.4

Dilate B using P as the center of dilation and a scale factor of 3. Where is the new point B'?

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CCSS.8.G.A.3

CCSS.8.G.A.4

In the diagram, what is the center of dilation?

• D

• E

• A

• C

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CCSS.8.G.A.3

CCSS.8.G.A.4

When the scale factor is ___________ 1, the dilation increases the size.

• less than

• greater than

• equal to

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CCSS.8.G.A.3

CCSS.8.G.A.4

When the scale factor is ___________ 1, the dilation decreases the size.

• Less than

• Greater than

• Equal to

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CCSS.8.G.A.3

CCSS.8.G.A.4

The scale factor from ______ to ______ is ½.

• Triangle ADE to ACB

• Triangle ACB to ADE

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CCSS.8.G.A.4

The scale factor from ______ to ______ is 2.

• Triangle ACB to triangle ADE

• Triangle ADE to triangle ACB

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CCSS.8.G.A.3

CCSS.8.G.A.4

What is the image of rectangle ABCD under dilation using center P and scale factor 2?

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CCSS.8.G.A.3

CCSS.8.G.A.4

What is the image of EFGH using center P and a scale factor of 1/4?

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CCSS.8.G.A.3

CCSS.8.G.A.4

What is the dilation going from the smaller triangle to the larger triangle?

• 4

• 1/3

• 3

• 1/4

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CCSS.8.G.A.3

CCSS.8.G.A.4