Transformations Review

What is the only transformation that changes a figure's orientation?

• Rotation

• Reflection

• Dilation

• Translation

What is the only transformation that changes a figure's congruence?

• Rotation

• Reflection

• Dilation

• Translation

Which expression changes a figure's orientation?

• (x, y) --> (x, -y)

• (x, y) --> (-x, -y)

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (x - 1, y + 9)

Which expression changes a figure's congruence?

• (x, y) --> (x, -y)

• (x, y) --> (-x, -y)

• (x, y) --> (1/3x, 1/3y)

• (x, y) --> (x - 1, y + 9)

What type of rotation is (x, y) → (-y, x)

• 90 degrees clockwise

• 180 degrees

• 270 degrees clockwise

• 360 degrees clockwise

What type of transformation is (x, y) → (-x, y)

• Rotation

• Reflection

• Dilation

• Translation

How would a figure translate using this rule: (x, y) → (x + 4, y - 6)

• 4 units right, 6 units down

• 4 units left, 6 units down

• 4 units right, 6 units up

• 4 units left, 6 units up

What type of transformation is (x, y) → (1/2x, 1/2y)

• Rotation

• Reflection

• Dilation

• Translation

What two things are true when a figure dilated using: (x, y) → (1/2x, 1/2y)

SELECT 2 ANSWERS

• It gets bigger

• It gets smaller

• The scale factor is less than one.

• The scale factor is bigger than one.

• The angles get smaller

Which transformation and which expression changes a figure's orientation?

PICK TWO ANSWERS

• (x, y) --> (-y, x)

• (x, y) --> (-x, y)

• Reflection

• Rotation

• (x, y) --> (y, -x)