Dilations, transformations, and Rotations

(x, y) -------> (x, -y) is a reflection over the x axis.       

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(x, y) -------> (x - 3, y) is a translation of 3 units to the left.   

• True
• False

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A dilation with a scale factor of 2 is a reduction. 

• True
• False

Tags

CCSS.8.G.A.3

A dilation with a scale factor of 1/3 is a reduction. 

• True 
• False

Tags

CCSS.8.G.A.3

Which transformation changes the orientation of the shape?

• Translation
• Reflection
• Rotation
• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

C(-6, 2) and B(-1, -1)
Translate (x, y) -> (x - 1, y - 3)

• C' (-6, 2), B' (-1, -1)
• C' (-7, -1), B' (-2, -4)
• C' (-5, 5), B' (0, 2)
• C' (-7, 1), B' (-2, -2)

Tags

CCSS.HSG.CO.A.2

Identify the transformation.

• Reflection across y-axis
• 90 Rotation counter clockwise
• Translation 5 units left, 1 unit up.
• Translation 5 units right, 1 unit down

Tags

CCSS.HSG.CO.A.2

A dilation produces a congruent figure

• True
• False
• D

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

Definition: The figure after a transformation has occurred. 

• Pre-image
• Image
• Translation
• Reflection

Tags

CCSS.HSG.CO.A.2