27x^2- is this a dilation of a factor of 27 from the x intercept and a dilation of 1/27 from the y intercept?

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- February 12th 2008, 07:22 PMchanelimansimple question about dilations
27x^2- is this a dilation of a factor of 27 from the x intercept and a dilation of 1/27 from the y intercept?

- February 12th 2008, 10:12 PMmr fantastic
can be considered a transformation of in two different ways:

1. - dilation by a factor of 27 in the vertical direction, that is, from the x-axis.

2. - dilation by a factor of in the horizontal direction, that is, from the y-axis.

1. is the way that most folk would think of it. - February 12th 2008, 11:09 PMchaneliman
where did the square root come form? for 1/square root 27

- February 12th 2008, 11:44 PMmr fantastic