Waec Further Mathematics 2010 Past Questions and Answers

Question 16:

• WAEC 2010

If \(\begin{vmatrix} 3 & x \\ 2 & x - 2 \end{vmatrix} = -2\), find the value of x.

A. -8
B. 4
C. -4
D. 8

Question 17:

• WAEC 2010

Given that \(P = {x : \text{x is a factor of 6}}\) is the domain of \(g(x) = x^{2} + 3x - 5\), find the range of x.

A. {-1, 5, 13}
B. {5, 13, 49}
C. {1, 2, 3, 6}
D. {-1, 5, 13, 49}

Question 18:

• WAEC 2010

The third of geometric progression (G.P) is 10 and the sixth term is 80. Find the common ratio.

A. 2
B. 3
C. 4
D. 8

Question 19:

• WAEC 2010

Find the axis of symmetry of the curve \(y = x^{2} - 4x - 12\).

A. X = -2
B. Y = -2
C. X = 2
D. Y = 2

Question 20:

• WAEC 2010

Find the axis of symmetry of the curve \(y = x^{2} - 4x - 12\).

A. X = -2
B. Y = -2
C. X = 2
D. Y = 2