Waec Further Mathematics Past Questions and Answers

Question 146:

• WAEC 2015

A line passes through the origin and the point \((1\frac{1}{4}, 2\frac{1}{2})\). Find the y-coordinate of the line when x = 4.

A. 2
B. 4
C. 6
D. 8

Question 147:

• WAEC 2015

In how many ways can a committee of 5 be selected from 8 students if 2 particular students are to be included?

A. 20
B. 28
C. 54
D. 58

Question 148:

• WAEC 2015

Given that \(f : x \to x^{2}\) and \(g : x \to x + 3\), where \(x \in R\), find \(f o g(2)\).

A. 25
B. 9
C. 7
D. 5

Question 149:

• WAEC 2015

Given that \(\frac{2x}{(x + 6)(x + 3)} = \frac{P}{x + 6} + \frac{Q}{x + 3}\), find P and Q.

A. P = 4 and Q = 2
B. P = 2 and Q = 4
C. P = 4 and Q = -2
D. P = -2 and Q = 4

Question 150:

• WAEC 2015

Given that \(P = \begin{pmatrix} -2 & 1 \\ 3 & 4 \end{pmatrix}\) and \(Q = \begin{pmatrix} 5 & -3 \\ 2 & -1 \end{pmatrix}\), find PQ - QP.

A. \(\begin{pmatrix} 0 & 0 \\ 0 & 0 \end{pmatrix}\)
B. \(\begin{pmatrix} 27 & 12 \\ 16 & -15 \end{pmatrix}\)
C. \(\begin{pmatrix} -20 & -6 \\ 12 & -8 \end{pmatrix}\)
D. \(\begin{pmatrix} 11 & 12 \\ 30 & -11 \end{pmatrix}\)