Identify Translations Reflections Rotations Dilations

Triangle DEF has vertices D(2,0), E(1,-2), and F(2,1). The triangle is rotated 90˚clockwise about the origin.What are the coordinates of vertex F' ?

• (-2, -1)

• (-1, -2)

• (1, -2)

• (-2, 1)

• (1, -2)

• (-1, 2)

• (-1, -2)

• (1, 2)

Which sequences make congruent figures?

• translations only

• rotations, reflections, and translations

• rotations and reflections only

• dilations, reflections, rotations, and translations

• Rotation, then rotation

• rotation, then dilation

• translation, then reflection

• reflection, then rotation

Which transformation would be used on quadrilateral KLMN to create quadrilateral K'L'M'N' ?

• rotation 90˚ clockwise around the origin

• reflection across the x-axis

• translation to the right

• reflection across the y-axis

Which expression describes the translation of a point (-2, 6) to (3, -1) ?

• 5 units right and 7 units up

• 5 units left and 7 units down

• 5 units left and 7 units up

• 5 units right and 7 units down

If we reflect triangle ABC over the line shown (y=-x), where would A' be located? 

• (2,-5)

• (1,2)

• (-1,-3)

• (-1,-2)

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

• 90^o clockwise rotation

• 90^o counterclockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

When a figure is translated down what happens?

• You subtract from the y-value

• You add to the y-value

• You subtract from the x-value

• You add to the x-value

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d