Scale Factor Dilation

What kind of Dilation will take place when given the Scale Factor of 5/2_?

• Enlargement

• Reduction

What is the scale factor in the algebraic representation
(x,y) to (2x,2y)

• k=2

• k=1/2

• k=2.2

• k=0.5

What variable represents Scale Factor in the algebraic representation (x,y) to (kx,ky)?

• x

• y

• z

• k

Which is an example of an enlargement? SF = k

• k = 1/2

• k = 1

• k = 2/3

• k = 2.5

Which of the following is the algebraic representation for a dilation?

• (x, y) → (x, 3y)

• (x, y) → (3x, 3y)

• (x, y) → (x, y - 3)

• (x, y) → (.5x, .4y)

Point P is at (-2,3) and is dilated to Point P' at (-6,9). What is the scale factor (k) ?

• k = 2

• k = 3

• k = 4

• k = 5

In a Dilation what mathematical operation is applied when asked to FIND the Scale Factor?

• addition

• subtraction

• multiplication

• division

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

• ½

• ¼

• 4

• 2

In a dilation what mathematical operation is used with the scale factor?

• addition 

• subtraction 

• multiplication 

• division 

The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.

• reduction

• enlargement

• scale factor

• center of dilation