Describe the transformation A) reflection across the yaxis B) reflection across the xaxis C) translation 4 units to the right D) reflection across the line y = x I tried to prove it by sketching out the situation However, I still don't know how to prove that b ′ = b, a ′ = a Furthermore, I just want to make sure, for the following two rules Reflection Across YAxis ( x, y) → ( − x, y) Reflection Across XAxis ( x, y) → ( x, − y) Do they have formal proofs or do we just prove them by4) The image of the point (8, 2) under a reflection across the x axis is (8,2) 5) The image of the point (7,4) under a reflection under the y axis is (7,4) State which line the shape is reflected over
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