2026 PCSS P1 Q13

2026 PCSS P1 Q13

Secondary 4
4 marks

\(b=\sqrt{\dfrac{5c+2a}{3a}}\)

  1. Find \(b\) when \(c=18.02\) and \(a=0.71\).[1]
  2. Rearrange the formula to make \(a\) the subject.[3]

Solution:

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Answer:(a) 6.55 (b) \(a=\dfrac{5c}{3b^2-2}\)

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