Waec Further Mathematics Past Questions For Year 2010
Question 16
The mean age of 15 pupils in a class is 14.2 years. One new pupil joined the class and the mean changed to 14.1 years. Calculate the age of the new pupil.
- A. 12.4 years
- B. 12.6 years
- C. 13.2 years
- D. 14.1 years
Question 17
Find the equation of the tangent to the curve \(y = 4x^{2} - 12x + 7\) at point (2, -1).
- A. y + 4x - 9 = 0
- B. y - 4x - 9 = 0
- C. y - 4x + 9 = 0
- D. y + 4x + 9 = 0
Question 18
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 19
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 20
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}
