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18-12-2018
Mathematics

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Need help with Select Expansion or Contraction to correctly describe the type of dilation for each given scale factor.

Need help with Select Expansion or Contraction to correctly describe the type of dilation for each given scale factor class=

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musiclover10045 musiclover10045

18-12-2018

To know if a dilation is an expansion ( bigger) r a contraction ( smaller) ignore the negative sign.

If the number is larger than 1, it is an expansion, if the number is smaller than 1 it is a contraction.

-4 is an expansion

2.5 is an expansion

2/3 is a contraction

-3/4 is a contraction

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