Dilations and Scale Factor

Dilate Point B by a scale factor of 3:

• (12,0)
• (12,12)
• (4,3)
• (0,12)

Choose the correct scale factor:

• 2
• 3
• 1/3
• 1/2

These two shapes are _____________?

• Congruent
• Similar
• Neither

Are these shapes congruent or similar?

• Congruent

• Similar

What scale factor was used to produce the image?

• 1
• 7
• 18
• 49

Are these shapes congruent or similar?

• Congruent

• Similar

What is the definition of dialations ,in mathematical terms?

• to make larger or smaller
• to make larger
• all of the above
• to make smaller

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

• ½
• ¼
• 4
• 2

Dilate Point B by a scale factor of 1/2

• (1.5,-4)
• (-1.5,1)
• (-1,-1.5)
• (-2,-2)

Is this an enlargement or a reduction?

• Enlargement

• Reduction