Dilations and Rigid/Non-Rigid Transformations HW #2

Definition: The figure before a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Definition: The figure after a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

Definition: The figure before a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

A dilation always produces a congruent figure.

• True
• False

Tags

CCSS.HSG.SRT.A.1

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

Tags

CCSS.8.G.A.3

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

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

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

How do you write the algebraic notation when the scale factor is 3?

• (x, y) goes to (1/3x, 1/3y)
• (x, y) goes to (-3x, -3y)
• (x, y) goes to (x + 3, y + 3)
• (x, y) goes to (3x, 3y)

Tags

CCSS.7.G.A.1

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

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

If an image is dilated by a scale factor below, the dilation is a...

 $k\ =\ \frac{10}{3}$  

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

CCSS.8.G.A.4

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)

Tags

CCSS.8.G.A.3