Waec Further Mathematics 2013 Past Questions and Answers

Question 11:

• WAEC 2013

Find the equation of the line that is perpendicular to $2y+5x-6=0$ and bisects the line joining the points P(4, 3) and Q(-6, 1).

A. Y + 5x + 3 = 0
B. 2y - 5x - 9 = 0
C. 5y + 2x - 8 = 0
D. 5y - 2x - 12 = 0

Question 12:

• WAEC 2013

Differentiate $x^2+xy-5=0$.

A. $\frac{-(2x+y)}{x}$
B. $\frac{(2x-y)}{x}$
C. $\frac{-x}{2x+y}$
D. $\frac{(2x+y)}{x}$

Question 13:

• WAEC 2013

The fourth term of an exponential sequence is 192 and its ninth term is 6. Find the common ratio of the sequence.

A. $\frac{1}{3}$
B. $\frac{1}{2}$
C. $2$
D. $3$

Question 14:

• WAEC 2013

Find the range of values of x for which $x^2+4x+5$ is less than $3x^2-x+2$

A. $x>\frac{-1}{2},x>3$
B. $x<\frac{-1}{2},x>3$
C. $\frac{-1}{2}\le x\le 3$
D. $\frac{-1}{2}<x<3$

Question 15:

• WAEC 2013

Given that $\frac{\mathrm{d}y}{\mathrm{d}x}=\sqrt{x}$, find y.

A. $2x^{\frac{3}{2}}+c$
B. $\frac{2}{3}{x}^{\frac{3}{2}}+c$
C. $\frac{3}{2}{x}^{\frac{3}{2}}+c$
D. $\frac{2}{3}{x}^2+c$