Waec Further Mathematics Past Questions and Answers

Question 1:

• WAEC 2018

Two functions f and g are defined on the set of real numbers by $f:x\to x^2+1$ and $g:x\to x-2$. Find f o g.

A. $x^2+4x-5$
B. $x^2-4x+5$
C. $x^2-1$
D. $x-1$

Question 2:

• WAEC 2018

A car is moving at 120$km{h}^{-1}$. Find its speed in $m{s}^{-1}$.

A. 33.3$m{s}^{-1}$
B. 66.6$m{s}^{-1}$
C. 99.9$m{s}^{-1}$
D. 120.0$m{s}^{-1}$

Question 3:

• WAEC 2018

A particle starts from rest and moves through a distance $S=12t^2-2t^3$ metres in time t seconds. Find its acceleration in 1 second.

A. 24$m{s}^{-2}$
B. 18$m{s}^{-2}$
C. 12$m{s}^{-2}$
D. 10$m{s}^{-2}$

Question 4:

• WAEC 2018

Find the constant term in the binomial expansion $(2x^2+\frac{1}{x}{)}^9$

A. 84
B. 168
C. 336
D. 672

Question 5:

• WAEC 2018

Find the angle between forces of magnitude 7N and 4N if their resultant has a magnitude of 9N.

A. 39.45°
B. 73.40°
C. 75.34°
D. 106.60°