Rigid Transformations

Select the correct transformation rule.

• reflection across the x axis

• translation < 1, 7 >

• translation < - 1, - 7 >

• rotation 180 degrees

Select the correct transformation rule.

• rotation 90 degrees CCW

• reflection across the y axis

• translation < - 1, - 3>

• rotation 180 degrees

Which transformation preserves orientation?

• reflection

• rotations

• translations

• translations and reflections

A figure is translated 7 units down and 3 units left. What rule describes this transformation?

• (x - 3, y - 7)

• (x + 3, y + 7)

• (x - 7, y - 3)

• (x + 7, y + 3)

If point H(–6, 2) is translated 4 units up and 3 units right, what are the coordinates of the translated image?

• (-2, 5)

• (-3, 6)

• (-9, -2)

• (-9, 6)

Triangle RST has vertices R(–1, 1), S(3, 1), and T(3, –4). What are the coordinates of the image of RST after a translation 4 units to the left and 2 units down?

• R'(–5, 1), S'(–1, 1), and T'(–1, –4)

• R'(–5, –1), S'(3, –1), and T'(–1, –4)

• R'(–1, –1), S'(3, –1), and T'(3, –6)

• R'(–5, –1), S'(–1, –1), and T'(–1, –6)

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

Translations, reflections and rotations are all known as ________________________.

• Geometry

• Transformations

• Congruent

A turn is also called a ___________.

• Translation

• Reflection

• Rotation

• Transformation

Name the transformation.

• Translation

• Reflection

• Rotation