A point $R$ lies on the $x$-axis at a distance of $5$ units to the left of the origin. The coordinates of…

A point $R$ lies on the $x$-axis at a distance of $5$ units to the left of the origin. The coordinates of $R$ are:
  1. $(0,-5)$
  2. $(-5,0)$
  3. $(5,0)$
  4. $(-5,-5)$

Solution

On the $x$-axis the ordinate is $0$. Left of origin means $x<0$, so $R=(-5,0)$.

Asked in: IMO

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