Problem 34 of 7
Define the reflection across line x=-1.
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describe image point across mirror line.
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Reflection line must be specified.
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Solution
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1. Identify the reflection line.
2. For each point, connect it to its image.
3. The reflection line must be the perpendicular bisector of that connecting segment.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying only that the figure flips without specifying the line.