Transformations

Write a rule for the translation.

•  (x -1, y  + 2)
•  (x -2, y  + 1)
•  (x +2, y  - 1)
• (x +1, y  -  2)

The point Z(4, -2) is rotated 180 degrees about the origin.  What is the image of Z?

• Z'(2, 4)
• Z'(-4, 2)
• Z'(-2, -4)
• Z'(-4, -2)

An office supply store sells index cards in two different sizes. The large size is an enlargement of the small size. Both sizes are shown. Find the scale factor of the enlargement.

• 2
• 3
• 4
• 5

All angles in similar figures are congruent.  

• True
• False

Reflect the point (-1, 2) over the y-axis.

• (-1, -2)
• (1, 2)
• (1, -2)
• (1, 4)

Translate the point A (-3, 4) right 5 and up 1

• (-2, 9)
• (-8, 5)
• (8, 3)
• (2, 5)

How does reflecting a figure over the y-axis change the ordered pair?

• Changes the x-coordinate
• Changes the y-coordinate

Describe the transformation shown in the graph.

• Reflect over x-axis
• Reflect over y-axis
• Rotate 270 degrees CCW
• Rotate 90 degress CCW

Identify the transformation from ABC to A'B'C'.

• (x+8, y+4)
• (x-8, y-4)
• (x+4, y+8)
• (x-4, y-8)

A turn is also called a ___________.

• Translation
• Reflection
• Rotation
• Transformation