Naming/Describing Transformations

A reflection ____________________.

• turns a figure around a point.

• slides an object from one place to another

• flips or mirrors an object across a line.

• changes the size of an object.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine how to translate triangle ABC to triangle A'B'C'.

• right two, down five
• right two, down 9
• left two, up 9
• left two, down 5

Tags

CCSS.HSG.CO.A.2

What does a translation do to an image?

• Turns it 90* clockwise
• Mirrors it
• Shrinks it
• Slides it

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the y-axis?

• a
• b
• c
• d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflections over the x-axis change the sign of the ____-__________. 

• y-coordinate
• x-coordinate
• y-axis
• x-axis 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflecting over the y-axis changes the sign of the ____-_____________. 

• x-axis
• x-coordinate
• y-coordinate
• none of the above

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

How many degrees was the figure rotated?

• 90 degrees counterclockwise 
• 180 degrees
• 270 counterclockwise 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A transformation that “turns” a figure about a fixed point at a given angle and a given direction.

• rotation
• translation
• reflection
• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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