RST is dilated about the origin, 0, to create R’S’T. Point R is located at (3,9) and point R’ is located at (1.2, 3.6). Which scale factor was used to perform the dilation?

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TomRavn · Answer 1 · 2020-02-12T02:39:01+0000

Answer:

0.4

Explanation:

Since the dilatation is about the origin, then dividing the coordinates of the image R' by the coordinates of the original point R gives the scale factor

scale factor =
(1.2)/(3) =
(3.6)/(9) = 0.4

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RST is dilated about the origin, 0, to create R’S’T. Point R is located at (3,9) and point R’ is located at (1.2, 3.6). Which scale factor was used to perform the dilation?

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