Reflections, Transformations, Dilations

Translations, reflections and rotations are all known as ________________________.

• Geometry

• Transformations

• Congruent

• Orientation

Name the transformation.

• Translation

• Reflection

• Rotation

• Dilation

When you translate, (x,y) --> (x - 4 , y) will move _____

• 4 units right

• 4 units left

• 4 units up

• 4 units down

 Describe the Transformation

• Reflection over y=x

• Rotation 90 degrees clockwise

• Rotation 90 degrees counterclockwise

• Translation

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

• x-axis

• x-coordinate

• y-coordinate

• none of the above

Which statement is FALSE about reflections?

• Reflections create congruent images.

• In a reflection, the image is the same distance from the line of reflection as the pre-image.

• Reflections preserve orientation.

• Reflections preserve size.

Which statement is FALSE about dilations?

• Dilations preserve size.

• Dilations preserve shape.

• Dilations preserve orientation.

• Dilations can make smaller or larger images.

What's the degree of rotation in this image?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

This figure is in quadrant 4. If it is rotated 90 degrees counter clockwise, which quadrant will it end in?

• quadrant 1

• quadrant 2

• quadrant 3

• quadrant 4

If this figure is rotated 180 degrees, which quadrant will it end up in?

• quadrant 1

• quadrant 2

• quadrant 3

• quadrant 4