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UNIT
14
14.2: Reflect a Figure
5
\(\triangle ABC\) is reflected in the line \(y = 0\). Graph the image \(\triangle A’B’C’\).
  • \(A\) is \(6\; units\) above the line of reflection. \(A’\) is \(6\; units\) below the line of reflection.
  • \(A\) and \(A’\) are vertically in line. Their x-coordinates are the same.
  • \(A’\) is at \((-3,\; -6)\).
  • Repeat this for the other vertices and draw the image \(\triangle A’B’C’\).

6
\(\triangle ABC\) is reflected in the line \(x = 0\). Graph the image \(\triangle A’B’C’\).
  • \(A\) is \(2\; units\) right of the line of reflection. \(A’\) is \(2\; units\) left of the line of reflection.
  • \(A\) and \(A’\) are horizontally in line. Their y-coordinates are the same.
  • \(A’\) is at \((-2,\; -1)\).
  • Repeat this for the other vertices and draw the image \(\triangle A’B’C’\).