Dilations at the Origin

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

A ___________ is a type of transformation that enlarges or reduces a figure (the preimage) creating a new figure (image)

• Translation

• Reflection

• Rotation

• Dilation

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

What is the scale factor of the pictured dilation?

• k = 2

• k = 1/2

• k = 3

• k = 1/3

What scale factor was used to produce the image if the center is at the origin?

• 2

• 3

• 1/3

• 1/2

If a square has side lengths of 4 units and undergoes a dilation with a scale factor of 3 centered at the origin, what will be the length of each side of the resulting square?

• 12 units

• 7 units

• 4 units

• 1.33 units

a transformation that ​changes the size (enlargement or reduction) of a figure is called a ​ ​ ​ (a)  

• dilation

• rotation

• reflection

• translation

What type of dilation is represented? black to blue

• Enlargement

• Reduction

Is the following a dilation?

• Yes

• No

If the scale factor is greater than 1, the dilation is (a)  

• an enlargement

• a rotation

• a translation

• a reduction