Waec Further Mathematics Past Questions and Answers

Question 281:

• WAEC 2008

A binary operation ,*, is defined on the set R, of real numbers by \(a * b = a^{2} + b + ab\). Find the value of x for which \(5 * x = 37\).

A. 7
B. 2
C. -2
D. -7

Question 282:

• WAEC 2006

Find the coefficient of \(x^{4}\) in the binomial expansion of \((1 - 2x)^{6}\).

A. 320
B. 240
C. -320
D. -240

Question 283:

• WAEC 2008

Find the derivative of \(3x^{2} + \frac{1}{x^{2}}\)

A. \(6x + 2x^{2}\)
B. \(6x + \frac{1}{2x}\)
C. \(6x - \frac{2}{x^{3}}\)
D. \(6x - \frac{1}{2x}\)

Question 284:

• WAEC 2006

Find the equation of the line passing through (0, -1) and parallel to the y- axis.

A. Y = -1
B. Y = 0
C. X = 0
D. X = -1

Question 285:

• WAEC 2008

The coefficient of the 5th term in the binomial expansion of \((1 + kx)^{8}\), in ascending powers of x is \(\frac{35}{8}\). Find the value of the constant k.

A. 2
B. \(\frac{1}{2}\)
C. \(-\frac{1}{2}\)
D. -2