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Tuesday, 07 April 2026
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Further Mathematics Past Questions and Answers

Waec Further Mathematics Questions

Question 256:
Find the range of values of x for which \(2x^{2} + 7x - 15 > 0\).
  • A \(x < -\frac{3}{2}\) or \(x > 5\)
  • B \(x < -5\) or \(x > \frac{3}{2}\)
  • C \(-\frac{3}{2} < x < 5\)
  • D \(-5 < x < \frac{3}{2}\)
View Answer & Explanation
Question 257:
A function f is defined on R, the set of real numbers, by: \(f : x \to \frac{x + 3}{x - 2}, x \neq 2\), find \(f^{-1}\).
  • A \(f^{-1} : x \to \frac{2x + 3}{x - 1}, x \neq 1\)
  • B \(f^{-1} : x \to \frac{x + 3}{x + 2}, x \neq -2\)
  • C \(f^{-1} : x \to \frac{x - 1}{2x + 3}, x \neq -\frac{3}{2}\)
  • D \(f^{-1}: x \to \frac{x - 2}{x + 3}, x \neq -3\)
View Answer & Explanation
Question 258:
The sum of the first n terms of a linear sequence is \(S_{n} = n^{2} + 2n\). Find the common difference of the sequence.
  • A 5
  • B 4
  • C 3
  • D 2
View Answer & Explanation
Question 259:
The sum of the first n terms of a linear sequence is \(S_{n} = n^{2} + 2n\). Determine the general term of the sequence.
  • A N + 1
  • B 2n + 1
  • C 3n + 1
  • D 4n + 1
View Answer & Explanation
Question 260:
If \(f(x) = 2x^{2} - 3x - 1\), find the value of x for which f(x) is minimum.
  • A \(\frac{3}{2}\)
  • B \(\frac{4}{3}\)
  • C \(\frac{3}{4}\)
  • D \(\frac{2}{3}\)
View Answer & Explanation