2026 CSS P1 Q6

2026 CSS P1 Q6

Secondary 4
5 marks

\(y=\dfrac{x-z}{2x+1}\)

  1. Find \(y\) when \(x=6.7\) and \(z=3\).
    Give your answer to 2 significant figures.[2]
  2. Rearrange the formula to make \(x\) the subject.[3]

Solution:

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Answer:(a) \(0.26\) (b) \(x=\dfrac{y+z}{1-2y}\)

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