Double Reflections Geometry

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

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

Triangle GHI is reflected across the x-axis.  What are the coordinates of I'?

• (-2, 6)

• (2, 6)

• (-6, -2)

• (6, 2)

Translations, reflections and rotations are all known as ________________________.

• Geometry

• Isometric transformations

• Congruent

Is the picture being reflected in the y-axis or x-axis?

• y-axis

• x-axis

Which pair have a line of reflection of x-axis?

• A & E

• B & C

• G & H

• E & F

A double reflection over the x- and y-axes is the same as a ____________ of ______.

• Rotation of 180 Degrees

• Rotation of 90 Degrees

• Reflection over the x-axis

• Reflection over the y-axis

Identify which sequence of rigid motions maps ABC onto A'B'C' and then maps A'B'C' onto A"B"C"

• rotation followed by another rotation

• translation followed by reflection

• reflection followed by rotation

• reflection followed by translation

Under what composition of transformations does triangle ABC map onto triangle A''B''C''

• Reflection over x-axis, then Rotation of 90 Degrees

• Rotation of -90 Degrees, then Reflection over y-axis

• Reflection over y-axis, then Rotation of -90 Degrees

• Rotation of 90 Degrees, then Reflection over x-axis

If the red triangle is rotated 180 degrees, then reflected over y=2 what is the final image?

• Green Triangle

• Blue Triangle

• Orange Triangle

• Red Triangle