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Sunday, 21 June 2026
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Mathematics Past Questions and Answers

Topic: Change of subject of formula

Jamb Mathematics Questions - Change of subject of formula

Question 36:
If S = \(\sqrt{t^2 - 4t + 4}\), find t in terms of S
  • A S<sup style='font-size: smaller;'>2</sup> - 2
  • B S + 2
  • C S - 2
  • D S<sup style='font-size: smaller;'>2</sup> + 2
View Answer & Explanation
Question 37:
If gt2 - k - w = 0, make g the subject of the formula
  • A \(\frac{k + w}{t^2}\)
  • B \(\frac{k - w}{t^2}\)
  • C \(\frac{k + w}{t}\)
  • D \(\frac{k - w}{t}\)
View Answer & Explanation
Question 38:
Given that r =\( \sqrt\frac{3v}{\pih} \), make v the subject of the formula
  • A V = 3\(πr^2\) h
  • B V = \(\frac{πrh}{3}\)
  • C V = \(\frac{πr^2h}{3}\)
  • D V = 3πrh
View Answer & Explanation
Question 39:
Make x the subject of the formula: y = \(\frac {3x - 9c}{4x + 5d}\)
  • A X = \(\frac {-(9c - 5dy)}{4y - 3}\)
  • B X = \(\frac {9c + 5dy}{4y - 3}\)
  • C X = \(\frac {9c - 5dy}{4y - 3}\)
  • D X = \(\frac {-(9c + 5dy)}{4y - 3}\)
View Answer & Explanation