Geometry Transformations

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

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

In the diagram above, congruent figures 1, 2, and 3 are drawn. Which sequence of transformations maps figure 1 onto figure 2 and then figure 2 onto figure 3?

• a reflection followed by a translation

• a rotation followed by a translation

• a translation followed by a reflection

• a translation followed by a rotation

Reflect (3,5) over the x-axis.

• (2,2)

• (3,-5)

• (-3,-5)

• (-3,5)

Which transformation will result in being similar to the original figure but has a larger area?

• Dilation with scale factor of 2

• Dilation with scale factor of 1

• Dilation with scale factor of .5

• Translation 

When you translate, (x,y+6) will move _____.

• 6 units right

• 6 units left

• 6 units up

• 6 units down

Write a rule for the translation.

• (x -1, y + 2)

• (x -2, y + 1)

• (x +2, y - 1)

• (x +1, y - 2)

Describe the transformation.

• 90º counterclockwise rotation

• 180º counterclockwise rotation

• 90º clockwise rotation

• reflection across the origin

Choose ALL the degrees of rotation that will map a regular hexagon onto itself.

• 90

• 120

• 150

• 240

• 300

A triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?

• (5,3), (6,2), (1,-2)

• (6,0), (9,-3), (-6,-15)

• (2/3,0), (1,-1/3), (-2/3,-5/3)

• (-1,-3), (0,-4), (-5,-8)