Waec Further Mathematics Questions
Question 101:
If \(\begin{vmatrix} m-2 & m+1 \\ m+4 & m-2 \end{vmatrix} = -27\), find the value of m.
- A \(3\frac{8}{9}\)
- B \(3\)
- C \(2\frac{1}{2}\)
- D \(2\)
Question 102:
If \(P = \begin{pmatrix} 1 & 2 \\ 5 & 1 \end{pmatrix}\) and \(Q = \begin{pmatrix} 0 & 1 \\ 1 & 3 \end{pmatrix}\), find PQ.
- A \(\begin{pmatrix} 5 & 1 \\ 16 & 5 \end{pmatrix}\)
- B \(\begin{pmatrix} 2 & 16 \\ 1 & 10 \end{pmatrix}\)
- C \(\begin{pmatrix} 2 & 7 \\ 1 & 8 \end{pmatrix}\)
- D \(\begin{pmatrix} 2 & 5 \\ -1 & -8 \end{pmatrix}\)
Question 103:
Solve for x in the equation \(5^{x} \times 5^{x + 1} = 25\).
- A \(-2\)
- B \(\frac{-1}{2}\)
- C \(\frac{1}{2}\)
- D \(2\)
Question 104:
If \(\log_{10}y + 3\log_{10}x \geq \log_{10}x\), express y in terms of x.
- A \(y \geq \frac{1}{x}\)
- B \(y \leq \frac{1}{x}\)
- C \(y \leq \frac{1}{x^{2}}\)
- D \(y \geq \frac{1}{x^{2}}\)