Reflection Rigid Transformation

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine where X' would be if you translated X 3 units to the left and 9 units down.

• (-4, 4)

• (-10, 2)

• (-4, -5)

• (-1, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

name the 2 posible rigid motions

• transformation

• rotation

• tranlation

• reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

what are the two rigid motions are performed

• translation then reflection

• rotation 90^o clock then translation

• rotation 90^o counter clock then translation

Tags

CCSS.8.G.A.3

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

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

What is the algebraic representation that describes this reflection?

• ( x , y )--> ( x , -y )

• ( x , y )--> ( -x , y )

• ( x , y )--> ( y , -x )

• ( x , y )--> ( -y , x )

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflection means

• turn

• flip

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of the following BEST describes the transformation?

• TRANSLATE 5 units down

• REFLECT over the x-axis

• ROTATE 90 degrees clockwise

• None of these

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the algebraic representation that describes this reflection?

• ( x , y )--> ( x , -y )

• ( x , y )--> ( -x , y )

• ( x , y )--> ( y , -x )

• ( x , y )--> ( -y , x )

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5