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Wednesday, 04 November 2026
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Mathematics Past Questions and Answers

Jamb 2012 Mathematics Questions

Question 26:
The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is
  • A \(\frac{1}{2}\)
  • B \(\frac{2}{5}\)
  • C \(-\frac{4}{7}\)
  • D \(-\frac{2}{3}\)
View Answer & Explanation
Question 27:
The distance between the point (4, 3) and the intersection of y = 2x + 4 and y = 7 - x is
  • A \(\sqrt{13}\)
  • B \(3\sqrt{2}\)
  • C \(\sqrt{26}\)
  • D \(10\sqrt{5}\)
View Answer & Explanation
Question 28:
Find the equation of the line through the points (-2, 1) and (-\(\frac{1}{2}\), 4)
  • A Y = 2x - 3
  • B Y = 2x + 5
  • C Y = 3x - 2
  • D Y = 2x + 1
View Answer & Explanation
Question 29:
If angle \(\theta\) is 135o, evaluate cos\(\theta\)
  • A \(\frac{1}{2}\)
  • B \(\frac{\sqrt{2}}{2}\)
  • C \(-\frac{\sqrt{2}}{2}\)
  • D \(-\frac{1}{2}\)
View Answer & Explanation
Question 30:
If y = x2 - \(\frac{1}{x}\), find \(\frac{\delta y}{\delta x}\)
  • A 2x - \(\frac{1}{x^2}\)
  • B 2x + x<sup style='font-size: smaller;'>2</sup>
  • C 2x - x<sup style='font-size: smaller;'>2</sup>
  • D 2x + \(\frac{1}{x^2}\)
View Answer & Explanation