Dilations

A dilation always produces congruent figures

• True

• False

Tags

CCSS.8.G.A.3

Definition: The figure after a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Tags

CCSS.HSG.CO.A.2

Definition: The figure before a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Tags

CCSS.HSG.CO.A.2

When a dilation has a scale factor greater than one, the dilation is a(n) _____________.

• Enlargement

• Reduction

Tags

CCSS.8.G.A.3

When a dilation has a scale factor between zero and one, the dilation is a(n) _____________.

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

Point B (4,9) undergoes a dilation with center at the origin with a scale factor of 2. What's B'?

• B' (2 , 4.5)

• B' (-8 ,-18)

• B' (8 ,18)

• B' (9 ,4)

Tags

CCSS.8.G.A.3

Point G(-10,-6) undergoes a dilation with center at the origin with a scale factor of 1/2. What's G'?

• G' (5,3)

• G' (20,12)

• G' (-20,-12)

• G' (-5,-3)

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 1/2 centered about the origin. What's B'?

• B'(1.5, -4)

• B'(-1.5, 1)

• B'(-1, -1.5)

• B'(-2, -2)

Tags

CCSS.8.G.A.3

Dilate Point B by a scale factor of 3 centered about the origin. What's B'?

• B'(12,0)

• B'(12,12)

• B'(4,3)

• B'(0,12)

Tags

CCSS.8.G.A.3

The point J(8, 12) was dilated to become J'(2, 3). What was the scale factor?

• k = ½

• k = ¼

• k = 4

• k = 2

Tags

CCSS.8.G.A.3