Consider reflections of δjkl. what line of reflection maps point k to point k' at (–5, 2)?

Question is talking about reflection of the triangle JKL to triangle J'K'L'. But the picture of reflection is missing.

So I will explain with an example.

Say the original coordinate of point K is (5,2).

Now we see that K(5,2) is changed into K'(-5,2)

Notice that only x-coordinate 5 is changing to -5.

When only x-coordinate changes then that means reflection is happening about y-axis

If only y-value changes then it occurs due to reflection about x-axis.

You can use these results in original picture to find the correct answer.

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Step-by-step explanation: