Waec Further Mathematics Questions
Question 151:
Which of the following is a factor of the polynomial \(6x^{4} + 2x^{3} + 15x + 5\)?
- A 3x + 1
- B X + 1
- C 2x + 1
- D X + 2
Question 152:
Given that \(f : x \to \frac{2x - 1}{x + 2}, x \neq -2\), find \(f^{-1}\), the inverse of f.
- A \(f^{-1} : x \to \frac{1+2x}{2-x}, x \neq 2\)
- B \(f^{-1} : x \to \frac{1-2x}{x+2}, x \neq -2\)
- C \(f^{-1} : x \to \frac{1-2x}{x-2}, x \neq 2\)
- D \(f^{-1} : x \to \frac{1+2x}{x+2}, x \neq -2\)
Question 153:
Simplify \(\frac{1 - 2\sqrt{5}}{2 + 3\sqrt{2}}\).
- A \(14(2\sqrt{2} + 6\sqrt{5} - 4\sqrt{10})\)
- B \(\frac{1}{14}(2 - 3\sqrt{2} - 4\sqrt{5} - 6\sqrt{10})\)
- C \(\frac{1}{14}(3\sqrt{2} + 4\sqrt{5} - 6\sqrt{10} - 2)\)
- D \(14(2 + 3\sqrt{2} - 6\sqrt{5} + 4\sqrt{10})\)
Question 154:
Solve: \(2\cos x - 1 = 0\).
- A \((\frac{2\pi}{3}, \frac{4\pi}{3})\)
- B \((\frac{\pi}{6}, \frac{5\pi}{6})\)
- C \((\frac{\pi}{5}, \frac{2\pi}{5})\)
- D \((\frac{\pi}{3}, \frac{5\pi}{3})\)