Question

Triangle PQR is reflected across a line, P = (4,–5), and P’ = (–4, –5). What is the line of reflection?

A. the x-axsis

B. the y-axsis

C. the line y=x

D. the line y = -x

Answer 1

B) The y-axis.

Explanation:

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Answer 2

B) The y-axis.
It helps to draw it, or even imagine the point. If you want to look at just this point, you see 4,-5 became -4,-5. Since only the x-point changed, it reflected from the y-axis.