Identify the Rigid Transformations

Identify the transformation.

• Reflection across y-axis

• 90 Rotation counter clockwise

• Translation 5 units left, 1 unit up.

• Translation 5 units right, 1 unit down

How many degrees was the figure rotated?

• 90 degrees counterclockwise 

• 180 degrees

• 270 counterclockwise 

How is trapezoid ABCD translated to trapezoid A'B'C'D'?

• 5 units down and 5 units to the right

• 5 units down and 1 to the right

• 8 units down and 5 units to the right

• 5 units down and 4 units to the right

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

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

Translation are always _______

• Congruent

• Bigger

• Smaller

• Rotated

Write a rule for the translation.

•  (x -1, y  + 2)

•  (x -2, y  + 1)

•  (x +2, y  - 1)

• (x +1, y  -  2)

Given C(2, 9), under which reflection is C'(2,- 9)?

• reflected in the x-axis

• reflected in the y-axis

• reflected in the line x = 2

• reflected in the line y = x

Which answers are showing a reflection?

• a and c

• b and c

• c and d

• a and d

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

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

What is the angle of rotation for this counterclockwise rotation about the origin?

• 90°

• 180°

• 270°

• 360°