Dilations

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Scale Factor of ½ is __________________ .

• Reduction
• Enlargement

Scale Factor of 5 is _________________ .

• Reduction
• Enlargement

What is the formula for scale factor?

What is the scale factor from triangle ABC to triangle DEF?

• 1/2
• 7/3
• 2/1
• 10/3

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

Quadrilateral S'T'U'V' is a dilation of quadrilateral STUV, with the origin as the center of dilation. 

Which of the following is the scale factor used to create quadrilateral S'T'U'V'?

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

• ½
• ¼
• 4
• 2

What is the scale factor from ΔDEF to ΔABC?

• 2
• 3/2
• 2/3
• 1/2