Algebraic Rules Dilations Translations Reflections Rotations

Translations move shapes
Right 6 and Up 8
would be represented by

• ( x , y ) → ( x + 6 , y + 8 ) 

• ( x , y ) → ( x + 8 , y + 6 ) 

• ( x , y ) → ( x - 6 , y - 8 ) 

• ( x , y ) → ( x - 8 , y - 6 ) 

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• First check the order of x&y

  Then check the negatives

• ...

Tags

CCSS.HSG.CO.B.6

The transformation that shifts or slides a shape is called a ...

• Dilation

• Reflection

• Rotation

• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The transformation that flips or mirrors a shape over an axis is called a ...

• Dilation

• Reflection

• Rotation

• Translation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine how to translate triangle ABC to triangle A'B'C' using the algebraic rule.

• (x, y) --> (x + 2, y - 5)

• (x, y) --> (x + 2, y - 9)

• (x, y) --> (x - 2, y - 9)

• (x, y) --> (x - 2, y + 9)

Tags

CCSS.HSG.CO.A.2

Plot triangle PQR with points P(-7,-5), Q(-1,-2), R(-1,-5). Rotate the triangle 90 degrees counterclockwise about the origin, then reflect the rotated image over the x-axis. What are the coordinates of the reflection?

Tags

CCSS.8.G.A.3

Which of the following algebraic rules represents a dilation?

• (x, y) --> (3x, 3y)

• (x, y) --> (3x, 2y)

• (x, y) --> (x - 3, y + 5)

• (x, y) --> (0.5x, 0.5y)

• (x, y) --> (3x, 0.5y)

Tags

CCSS.8.G.A.3

Plot triangle PQR with points P(-7,-5), Q(-1,-2), R(-1,-5). Rotate the triangle 90 degrees counterclockwise about the origin, then reflect the rotated image over the x-axis. What are the coordinates of the reflection?

Tags

CCSS.8.G.A.3

• Translation to the left

• Reflection over the y-axis

• Reflection over the x-axis

• Rotation by 180 degrees

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Write a rule to describe each transformation.

• 
• 
• 
• 

Tags

CCSS.HSG.CO.A.2