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Saturday, 15 August 2026
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Mathematics Past Questions and Answers

Topic: analytical and graphical solutions of linear inequalities

Jamb Mathematics Questions - analytical and graphical solutions of linear inequalities

Question 11:
Solve the inequality x - 1 > 4(x + 2)
  • A X > -3
  • B X < -3
  • C 2 < x < 3
  • D -3 < x < -2
View Answer & Explanation
Question 12:
find the range of values of values of r which satisfies the following inequality, where a, b and c are positive \(\frac{r}{a}\) + \(\frac{r}{b}\) + \(\frac{r}{c}\) > 1
  • A R > \(\frac{abc}{bc + ac + ab}\)
  • B R < abc
  • C R > \(\frac{1}{a}\) + \(\frac{1}{b}\) + \(\frac{1}{c}\)
  • D . \(\frac{1}{abc}\)
View Answer & Explanation
Question 13:
Find the range of values of x which satisfy the inequality \(\frac{x}{2}\) + \(\frac{x}{3}\) + \(\frac{x}{4}\) < 1
  • A X < \(\frac{12}{13}\)
  • B X < 13
  • C X < 9
  • D \(\frac{13}{12}\)
View Answer & Explanation
Question 14:
Find all values of x satisfying the inequality -11 \(\leq\) 4 - 3x \(\leq\) 28
  • A -5 \(\leq\) x v 8
  • B 5 \(\leq\) x \(\leq\) 8
  • C -8 \(\leq\) x \(\leq\) 5
  • D -5 < x \(\leq\) 8
View Answer & Explanation
Question 15:
Solve the inequality y2 - 3y > 18
  • A -3 < y < 6
  • B Y < -3 or y > 6
  • C Y > -3 or y > 6
  • D Y < 3 or y < 6
View Answer & Explanation