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Anuta_ua [19.1K]
2 years ago
10

triangle ABC is reflected about the line Y equals negative X to give triangle ABC with vertices A (-1, 1), B (-2, -1), C (-1,0).

What are the vertices of triangle ABC?
Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
7 0

9514 1404 393

Answer:

  • A'(-1, 1)
  • B'(1, 2)
  • C'(0, 1)

Step-by-step explanation:

Reflection across the line y = -x is accomplished by the transformation ...

  (x, y) ⇒ (-y, -x)

Then the images of the given points are ...

  A(-1, 1) ⇒ A'(-1, 1) . . . . this point is on the line of reflection, so doesn't move

  B(-2, -1) ⇒ B'(1, 2)

  C(-1, 0) ⇒ C'(0, 1)

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