Transformations

(x, y) -------> (x, -y) is a reflection over the x axis.       

• True
• False

(x,y) -------> (-x, -y) is a reflection over the y = x axis.

• True 
• False

(x, y) -------> (x - 3, y) is a translation of 3 units to the left.   

• True
• False

(x, y) -------> (x, y - 2) is a translation of 2 units up.  

• True
• False

What type of transformation is this?

• rotation

• translation

• reflection

• dilation

What type of transformation is this?

• rotation

• translation

• reflection

• dilation

Which is the pre-image (first one)?

• Purple

• Blue

Identify the transformation from ABCD to A'B'C'D'.

• Translation
• Reflection across the y-axis
• Reflection across the x-axis
• 90^o counter clockwise Rotation

Write a rule for the translation.

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

Triangle A is rotated 90° clockwise with the origin as the center of rotation to create a new figure. Which triangle shows the new location?

• A

• B

• C

• D