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Circle 1: center (-9, -5) and radius 6 Circle 2: center (-7, -7) and radius 15 The dilation from Circle 1 to Circle 2 has a scale factor of _____. Express the scale factor as a fraction in simplest form.
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Circle 1: center (-9, -5) and radius 6

Circle 2: center (-7, -7) and radius 15

The dilation from Circle 1 to Circle 2 has a scale factor of _____.

Express the scale factor as a fraction in simplest form.

Question 1 options:

156

52

97

25

User Aamiri
by
8.1k points

1 Answer

2 votes
The answer is 2/5.

To find the scale factor, compare the sizes of the radii:

6/15

Simplifying the fraction, we divide both top and bottom by 3, and end up with 2/5.
User Irfan Muhammad
by
8.8k points
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