Geometry

The vertices of a pre-image are located at points (12, 8), (6, -4), and (-2, 10). If the image has coordinates (6, 4), (3, -2), and (-1, 5), is this an expansion or a contraction?

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asked by Yaz
  1. If you notice that all the coordinates of the image are half the corresponding values in the pre-image, this means that the transformation is a contraction about the origin, with a factor of 0.5.

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    posted by MathMate
  2. Im sorry, I have no clue what you said. Could you break it down?

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    posted by Yaz
  3. It gets smaller.

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    posted by Damon
  4. so Its a contraction?

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    posted by Yaz
  5. okay, nvm i got it

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    posted by Yaz
  6. ok, always sketch a graph

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    posted by Damon

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