Topic 3 Transformations

Describe the transformation.

• R_{x= -3}

• R_y=3

• R_x=3

What is this picture an example of? 

• An angle

• A cat vertex 

• Rotation 

• Dilation

Determine the transformation from C to D.

• r_{(90, O)}

• r_{(180, O)}

• r_{(270, O)}

• r_{(360, O)}

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation about the origin

• 90^o counterclockwise rotation about the origin

• Reflection across the y-axis

• Reflection across the x-axis

If you were to rotate ABCD 180° about the origin, what would the coordinate of A' be?

• A'(-5, 5)

• A'(-3, -5)

• A'(-5, 3)

• A'(-3, 3)

Translations, reflections and rotations are all known as ________________________.

• Geometry

• Transformations

• Congruent

Describe the transformation in the iamge

• Reflect over the y-axis

• Reflect over the x-axis

• Reflect over the line x = 1

• Rotate 90° CW about the origin

How was B translated to B' if B' is at (4, -2)?

• Translated 6 units down

• Translated 2 units to the left and 6 units down

• Translated 2 units to the right and 6 units down

• Translated 2 units to the right

Find K' if the figure is reflected across the x-axis

• K'(4, 1)

• K'(-1, -4)

• K'(1, -4)

• K'(1, 4)

Which answer shows a reflection across the x-axis?

• a

• b

• c

• d