Rotations Dilations Reflections Translations

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

Rotations, like translations and reflections, produce congruent figures.

• true

• false

• A

• B

• C

• D

Plot triangle PQR with points P(-7,-5), Q(-1,-2), R(-1,-5). Rotate the triangle 90 degrees counterclockwise about the origin, then reflect the rotated image over the x-axis. What are the coordinates of the reflection?

Triangle ABC is rotated 180 degrees clockwise around the origin and reflected over the y-axis. What is the quadrant of the final image?

• I

• II

• III

• IV

If the red triangle is rotated 180 degrees, then reflected over the line y=2, what is the resulting image?

• Green Triangle

• Blue Triangle

• Orange Triangle

• Red Triangle

If RQ is rotated 180 degrees about the origin and then translated 1 unit down and 1 unit to the right, what are the endpoints of the resulting image?

• R' (1, -1) Q' (-1, 2)

• R' (2, -2) Q' (0, 1)

• R' (0, 0) Q' (2, -3)

• R' (0, -2) Q' (-3, 1)

What are the final coordinates of B after a 180 degrees counterclockwise rotation and a reflection over the y-axis?

• (3, -4)

• (3, 4)

• (-4, 3)

• (4, -3)