It’s the y-axis for the first answer and the other one it’s a reflection of JKL what line of reflection maps point L to point L at (-2,3).
When reflecting a figure in a line or in a point, the image is congruent to the preimage. A reflection maps every point of a figure to an image across a fixed-line. The fixed-line is called the line of reflection.
RST could be the result of two translations of ABC. TSR could be the result of a reflection and a translation of ABC.
Learn more about the line of reflection at
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