Rigid Transformation Reflection

Name the transformation.

• Translation

• Reflection

• Rotation

What Transformation is visible?

• Reflection

• Rotation

• Dilation

• Translation

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Identify the transformation.

• Translations

• Reflection

• Rotation

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

• y-coordinate

• x-coordinate

• y-axis

• x-axis 

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

• y-coordinate

• x-coordinate

• y-axis

• x-axis 

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 )

Describe the reflection.

• Reflect over the x-axis

• Reflect over the y-axis

• Reflect 180 degrees

• Reflect over the origin

Which of the following BEST describes the transformation?

• TRANSLATE 5 units down

• REFLECT over the x-axis

• ROTATE 90 degrees clockwise

• None of these