The reflection of the point $(3,-5)$ in the $x$-axis is:

The reflection of the point $(3,-5)$ in the $x$-axis is:
  1. $(-3,-5)$
  2. $(3,5)$
  3. $(-3,5)$
  4. $(5,-3)$

Solution

Reflection in the $x$-axis flips the sign of $y$. So $(3,-5)\to (3,5)$.

Asked in: IMO

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