Waec Further Mathematics Past Questions and Answers

Question 401:

• WAEC 2010

The coefficient of the 7th term in the binomial expansion of \((2 - \frac{x}{3})^{10}\) in ascending powers of x is

A. \(\frac{560}{243}\)
B. \(\frac{841}{243}\)
C. \(\frac{1120}{243}\)
D. \(\frac{4481}{243}\)

Question 402:

• WAEC 2010

The roots of a quadratic equation are \((3 - \sqrt{3})\) and \((3 + \sqrt{3})\). Find its equation.

A. \(x^{2} - 6x - 9 = 0\)
B. \(x^{2} - 6x + 6 = 0\)
C. \(x^{2} + 6x - 9 = 0\)
D. \(x^{2} + 6x + 6 = 0\)

Question 403:

• WAEC 2010

If (x - 3) is a factor of \(2x^{2} - 2x + p\), find the value of constant p.

A. -12
B. -6
C. 3
D. 6

Question 404:

• WAEC 2010

If \(\sin x = -\sin 70°, 0° < x < 360°\), determine the two possible values of x.

A. 110°, 250°
B. 110°, 290°
C. 200°, 250°
D. 250°, 290°

Question 405:

• WAEC 2010

For what values of x is \(\frac{x^{2} - 9x + 18}{x^{2} + 2x - 35}\) undefined?

A. 6 or 3
B. -18 or -9
C. -7 or 5
D. -5 or 7