2024 BTYSS P1 Q12

2024 BTYSS P1 Q12

Secondary 4
3 marks

It is given that \(p=\dfrac{m^2-n^2}{3q}\).

  1. Find \(p\) when \(m=-2\), \(n=-3\) and \(q=5\).[1]
  2. Rearrange the formula to make \(n\) the subject.[2]

Solution:

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Answer:(a) \(-\dfrac{1}{3}\) (b) \(n=\pm\sqrt{m^2-3pq}\)

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