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November 01, 2025, 03:08:15 pm
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Author Topic: Dilation by a factor of 3 in the y direction  (Read 2405 times)  Share 

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VCE_2012

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Dilation by a factor of 3 in the y direction
« on: August 17, 2012, 11:06:17 am »
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Would it be 'politically' correct in VCE (specialist) to describe a transformation of an ellipse by saying:
Dilation by a factor of 3 in the y direction?
Or would the examiners strictly prefer "dilation by a factor of 3 from the x-axis"?
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fred42

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Re: Dilation by a factor of 3 in the y direction
« Reply #1 on: August 17, 2012, 02:04:41 pm »
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"Parallel to the y-axis" is perfectly correct.
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kensan

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Re: Dilation by a factor of 3 in the y direction
« Reply #2 on: August 17, 2012, 04:51:49 pm »
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Dilation factor of _ from the x-axis, dilation factor of _ parallel to the y-axis.
Either of those are fine :)
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2013: BSc at UoM
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