Math Transformations

Reflecting over the y-axs changes the ______.

• x-axis

• x-coordinate

• y-coordinate

• none of the above

What type of transformation is pictured here?

• Translation

• Reflection

• Rotation

• Dilation

• None of these

Which answer shows a reflection across the y-axis?

• a

• b

• c

• d

Ms. Pandrea claims that the pre-image is the triangle under the x-axis. Is she correct? Explain.

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 Describe the Transformation

• Translation

• Rotation

• Reflection

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

• (2,-5)

• (1,2)

• (-1,-3)

• (-1,-2)

Translations, reflections and rotations are all known as ________________________.

• Geometry

• Transformations

• Congruent

• Orientation

What is the equation of the line of reflection?

• x=2

• y=-2

• x=undefined

• x=-2

The original figure prior to a transformation.

• Pre-image

• Image

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