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Algebra 7 Online
OpenStudy (eboogie4):

Help will fan and medal

OpenStudy (anonymous):

where

OpenStudy (eboogie4):

Which image of figure WXYZ is under the composition https://media.education2020.com/evresources///2091023_composition.png https://media.education2020.com/evresources///2091023_coordinate_plane.png A. figure A B. figure B C. figure C D. figure D

OpenStudy (anthonyym):

I believe T stands for translation and D stands for dilation.

OpenStudy (eboogie4):

Yep sooo.......

OpenStudy (anthonyym):

So in composition of transformations (whenever there's the dot * and there's more than one transformation), you do the rightmost one first.

OpenStudy (eboogie4):

Huh can u explain more

OpenStudy (anthonyym):

So do the dilation first, which enlarges or reduces the image. Now to be honest I need to refresh myself on dilation notation so hold on.

OpenStudy (eboogie4):

ok

OpenStudy (eboogie4):

Still need time?

OpenStudy (anthonyym):

Hm yeah I'm confused. So it says D(0,2). I thought you multiply the x-coordinate by 0 and y-coordinate by 2. But dilations have to be between 0 and 2. You can't multiply by 0

OpenStudy (eboogie4):

Yeah that's what I said

OpenStudy (anthonyym):

Or possibly it just might mean a dilation of scale factor 2. In that case you stretch the image by 2. Each coordinate is double the distance from the origin. W' would be (-8, -6)

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