Math STAAR Review Transformations

An image is

• The new position of a shape after a transformation

• the position of a shape before a transformation

This is an example of

• a reflection

• a rotation

This is an example of a

• rotation

• translation

This is an example of a

• translation

• rotation

Reflection means

• turn

• flip

Rotation means

• to slide

• to turn

When one shape can become another using only Turns, Flips and/or Slides, then the two shapes are

• congruent

• similar

Counterclockwise means

• the same direction as a clock's hands

• the opposite direction of a clock's hands

What is the algebraic representation for this dilation?

• ( x , y ) --> ( 1/2 x , 1/2 y )

• ( x , y ) --> ( 2 x , 2 y )

• ( x , y ) --> ( 1/2 x , 2 y )

• ( x , y ) --> ( 2 x , 1/2 y )

What is the algebraic representation for this dilation?

• ( x , y ) --> ( 3/2 x , 3/2 y )

• ( x , y ) --> ( 1.5 x , 1.5 y )

• ( x , y ) --> ( 2/3 x , 2/3 y )

• ( x , y ) --> ( 0.33 x , 0.33 y )