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Mathematics 7 Online
OpenStudy (anonymous):

how to dilate a trapazoid with vertices at (-4,1), (-1,1), (-6,-5) (0,5) by a factor of -2 around the point (-3,-2)

OpenStudy (amistre64):

move the trap and then scale it, then move it back

OpenStudy (amistre64):

we want to move the center of dilation to the origin; so we want to move all the points such that (-3,-2) = (0,0) before we scale it.

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