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PLEASE HELP ME! PLEASE!!

Which scale factors produce an expansion under a dilation of he original image?

Choose all answers that are correct.

a)-0.75
b)-2
c)0.75
d)2

Which scale factors produce a contraction under a dilation of he original image?

Choose all answers that are correct.

a)-1.8
b)-0.8
c)1.8
d)0.8

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Answer:

1.  0.75

2. -0.8

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musiclover10045

First when looking at dialations, ignore the negative signs. They do not affect the expansion or contraction.

An expansion is any number greater than 1 and a contraction is any number less than 1.

Expansion: b) -2 and d) 2

Contraction: b) - 0.8 and d) 0.8

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