Question

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

Answer 1

9514 1404 393

Answer:

k = 2

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.