Waec Further Mathematics Past Questions and Answers

Question 626:

• WAEC 2013

(a) Three vectors a, b and c are $\left(\begin{array}{c}8\\ 3\end{array}\right),\left(\begin{array}{c}6\\ -5\end{array}\right)$ and $\left(\begin{array}{c}2\\ -3\end{array}\right)$ respectively. Find the vector d such that $|d|=\sqrt{41}$ and d is in the direction of $a+b-2c$.
(b) The coordinates of A and B are (3, 4) and (3, n) respectively. If AOB = 30°, find, correct to 2 decimal places, the values of n.

Question 627:

• WAEC 2013

A particle is under the action of forces $P=(4N,030°)$ and $R=(10N,300°)$. Find the force that will keep the particle in equilibrium.

Question 628:

• WAEC 2019

Solve: 8${}^{x-2}$ = 4${}^{3x}$

A. -2
B. -1
C. 1
D. 2

Question 629:

• WAEC 2019

Solve; $\frac{P}{2}+\frac{k}{3}$ = 5 and 2p = k = 6 simultaneously

A. P = -6, k = -6
B. P = -6, k = 6
C. P = 6, k = 6
D. P = 6, k = -6

Question 630:

• WAEC 2019

Evaluate tan 75${}^o$; leaving the answer in surd form (radicals)

A. $\sqrt{3+2}$
B. $\sqrt{3+1}$
C. $\sqrt{3-1}$
D. $\sqrt{3-2}$