Dilations on a Coordinate Grid

A square with a perimeter of 20 units is graphed on a coordinate grid. The square is dilated by a scale factor of 0.4 with the origin as the center of dilation. What type of dilation is this?

• enlargement

• reduction

A square with a perimeter of 20 units is graphed on a coordinate grid. The square is dilated by a scale factor of 0.4 with the origin as the center of dilation. What is the new perimeter?

• 80 units

• 40 units

• 5 units

• 8 units

What operation do we use with scale factor and dilations?

• addition

• subtraction

• multiplication

• division

What is the algebraic representation/rule for the dilation shown?

What is the scale factor for the dilation shown?

• 7.5

• 5.7

What is the algebraic representation/rule for the dilation shown?

What type of dilation do you have if the scale factor is greater than one?

• enlargement 

• reduction 

What type of dilation do you have if the scale factor is less than one?

• enlargement 

• reduction 

• (7, 14)

• (14, 7)

Which of the following algebraic representations/rules represents a dilation?