Tool

Reflection Over y = x + b Three-Step Shift

Walk through the shortcut for $y = x + b$ : subtract $b$ , flip across $y = x$ , then add $b$ back.

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Inputs: Point coordinates x and y, shift b, and step focus buttons.

Outputs: Intermediate points P1 and P2, plus final reflected point P′ with step equations.

Used for: Use for teaching the translate-flip-translate method for shifted diagonal reflections.

geometrytransformationsreflectioncoordinatesstep-by-step