2026 DSS P1 Q4

2026 DSS P1 Q4

Secondary 4
5 marks

\(a=\dfrac{5-b^2}{5c}\).

  1. Find \(a\) when \(b=4.23\) and \(c=-204\). Give your answer to 2 significant figures.[2]
  2. Make \(b\) the subject of the formula.[3]

Solution:

Solution locked

Sign in to view the step-by-step solution

Similar questions are unavailable for this question.
Answer:(a) 0.013. (b) \(b=\pm\sqrt{5-5ac}\).

Need help? Join our JC Math tuition classes.

Learn more