jazroegner jazroegner

10-03-2021
Mathematics

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25 POINTS IF YOU ANSWER THIS AND PLEASE TELL ME WHAT K IS!!

25 POINTS IF YOU ANSWER THIS AND PLEASE TELL ME WHAT K IS class=

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sqdancefan sqdancefan

10-03-2021

9514 1404 393

Answer:

k = 2

Step-by-step explanation:

Find a coordinate of a point and its image. k is the ratio of those.

Here, it is easy to use the y-coordinate of J and J'.

Jy = -1

J'y = -2

k = J'y/Jy = -2/-1 = 2

The scale factor k is 2.

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