Transformations Summit Review

(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

(x, y) -------> (-x, -y) is a rotation of 180 degrees.  

• True 
• False

(x, y) -------> (-y, -x) is a rotation of 90 degrees counterclockwise.  

• True 
• False

A dilation with a scale factor of 2 is a reduction. 

• True
• False

A dilation with a scale factor of 1/3 is a reduction. 

• True 
• False

The rule for reflection over the y-axis is  
(x, y) --> _

• (-x, y)
• (x, -y)
• (y, x)
• (-y, x)

Translations, reflections and rotations are all known as ________________________.

• Geometry
• Transformations
• Congruent