Waec Further Mathematics 2013 Past Questions and Answers

Question 36:

• WAEC 2013

If \(g(x) = \frac{x + 1}{x - 2}, x \neq -2\), find \(g^{-1}(2)\).

A. 3
B. 2
C. \(\frac{3}{4}\)
D. -3

Question 37:

• WAEC 2013

Calculate the mean deviation of 1, 2, 3, 4, 5, 5, 6, 7, 8, 9.

A. 2
B. 3
C. 4
D. 5

Question 38:

• WAEC 2013

If \(V = \begin{pmatrix} -2 \\ 4 \end{pmatrix}\) and \(U = \begin{pmatrix} -1 \\ 5 \end{pmatrix}\), find \(|U + V|\).

A. \(3\sqrt{10}\)
B. \(\sqrt{82}\)
C. 15
D. \(2\sqrt{5}\)

Question 39:

• WAEC 2013

Find the equation of the straight line that passes through (2, -3) and perpendicular to the line 3x - 2y + 4 = 0.

A. 2y - 3x = 0
B. 3y - 2x + 5 = 0
C. 3y + 2x + 5 = 0
D. 2y - 3x - 5 = 0

Question 40:

• WAEC 2013

If \(\frac{^{n}C_{3}}{^{n}P_{2}} = 1\), find the value of n.

A. 8
B. 7
C. 6
D. 5