Mathematics, 16.09.2019 02:30 Chewbacka2020

Astudent claimed that the transformation (x, y) arrowright (3x, y) is a rigid motion because the segment joining (6, 1) to (6, 3) is transformed to the segment joining (18, 1) to (18, 3), and both of these segments have the same length. complete the explanation of the student's error.
the transformation is a stretch by a factor of , so it preserves the length of segments but not the length of segments. in order to be a rigid motion, the transformation must preserve lengths, so this transformation a rigid motion.

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Astudent claimed that the transformation (x, y) arrowright (3x, y) is a rigid motion because the seg...