Transformations: Rules and Properties

Identify the transformation given the rule: (x,y) -> (x+3, y-4)

• Translations

• Reflections

• Dilations

• Rotations

Which of the following is true about the transformation that uses this rule:

(x,y) -> (x+3, y-4)

• The pre-image is two times bigger than the image.

• The image is five times bigger than the pre-image.

• Both the image and the pre-image have equal corresponding angle measures.

• The angle measures in the image is greater than the corresponding angle measures for the pre-image.

Which of the following is true about Translations? (Select All that apply)

• The rules only use addition and subtraction.

• The orientation changes.

• They can only have a positive scale factor.

• They preserve congruence.

Which type of transformation matches the rule below:

Rule: (x,y) -> (x-6, y+3)

• Dilations

• Reflections

• Translations

• Rotations

Identify the transformation given the rule: (x,y) -> (rx, ry)

(Hint: r is the scale factor)

• Translations

• Reflections

• Dilations

• Rotations

Which of the following is true about the transformation that uses this rule:

(x,y) -> (rx, ry)

(Select all that apply)

• If r is more than one then the image will be bigger the pre-image.

• The orientation of the shapes are not preserved.

• If r is between 0 and 1 then the image and pre-image are not congruent.

• Congruence is preserved.

• Dilations

  (Enlargement)

• Reflections

• Dilations

  (Reduction)

• Rotations

Identify the transformation given the rule: (x,y) -> (x, -y)

• Translations

• Reflections

• Dilations

• Rotations

Which of the following is true about the transformation that uses this rule:

(x,y) -> (x, -y)

(Select all that apply)

• This is a reflection over the y axis.

• This is a reflection over the x axis.

• According to the rule the x values change to negative opposites.

• According to the rule the y values change to negative opposites.

Identify the transformation given the rule: (x,y) -> (-x, -y)

• Translations

• Reflections

• Dilations

• Rotations