Jesseniaa2004 Jesseniaa2004
  • 18-10-2020
  • Mathematics
contestada

Trapezoid JKLM with vertices J(-4,3),K (-2,7),L(2,7), and M(3,3) in the line y=1. Find the cord images of the reflected object.

Trapezoid JKLM with vertices J43K 27L27 and M33 in the line y1 Find the cord images of the reflected object class=

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sqdancefan
sqdancefan sqdancefan
  • 19-10-2020

9514 1404 393

Answer:

  • J'(-4, -1)
  • K'(-2, -5)
  • L'(2, -5)
  • M'(3, -1)

Step-by-step explanation:

Reflection over the line y=1 is equivalent to the transformation ...

  (x, y) ⇒ (x, 2-y)

Then the transformed coordinates are ...

  J(-4, 3) ⇒ J'(-4, -1)

  K(-2, 7) ⇒ K'(-2, -5)

  L(2, 7) ⇒ L'(2, -5)

  M(3, 3) ⇒ M'(3, -1)

_____

You can do the arithmetic (as we have done above), or you can simply read the coordinates of the reflected points from the graph.

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