An unknown coordinate from distance

An unknown coordinate from distance

Secondary 3
3 marks
TGM Original Questions

Point \(P\) has coordinates \((a,4)\) and is 5 units from the origin.

  1. Find the two possible values of \(a\).[2]
  2. Point \(P\) lies to the left of the y-axis. State its coordinates.[1]

Solution:

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Answer:(a) \(a=3\) or \(a=-3\) (b) \((-3,4)\)

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