Waec Further Mathematics 2010 Past Questions and Answers

Question 11:

• WAEC 2010

For what values of x is $\frac{x^2-9x+18}{x^2+2x-35}$ undefined?

A. 6 or 3
B. -18 or -9
C. -7 or 5
D. -5 or 7

Question 12:

• WAEC 2010

Calculate, correct to one decimal place, the length of the line joining points X(3, 5) and Y(5, 1).

A. 4.0
B. 4.2
C. 4.5
D. 5.0

Question 13:

• WAEC 2010

If $y=2(2x+\sqrt{x}{)}^2$, find $\frac{\mathrm{d}y}{\mathrm{d}x}$.

A. $2\sqrt{x}(2x+\sqrt{2})$
B. $4(2x+\sqrt{x})(2+\frac{1}{2\sqrt{x}})$
C. $4(2x+\sqrt{x})(2+\sqrt{x})$
D. $8(2x+\sqrt{x})(2+\sqrt{x})$

Question 14:

• WAEC 2010

Calculate, correct to one decimal place, the acute angle between the lines 3x - 4y + 5 = 0 and 2x + 3y - 1 = 0.

A. 70.6°
B. 50.2°
C. 39.8°
D. 19.4°

Question 15:

• WAEC 2010

Evaluate ${\int }_1^2\frac{4}{x^3}\mathrm{d}x$

A. $-1\frac{1}{2}$
B. $-\frac{15}{16}$
C. $\frac{15}{16}$
D. $1\frac{1}{2}$