Waec Further Mathematics Past Questions and Answers

Question 516:

• WAEC 2012

Given that \(\sqrt{6}, 3\sqrt{2}, 3\sqrt{6}, 9\sqrt{2},...\) are the first four terms of an exponential sequence (G.P), find in its simplest form the 8th term.

A. \(27\sqrt{2}\)
B. \(27\sqrt{6}\)
C. \(81\sqrt{2}\)
D. \(81\sqrt{6}\)

Question 517:

• WAEC 2012

Given that \(\sin x = \frac{-\sqrt{3}}{2}\) and \(\cos x > 0\), find x.

A. 300°
B. 240°
C. 120°
D. 60°

Question 518:

• WAEC 2012

Evaluate \(\log_{10}(\frac{1}{3} + \frac{1}{4}) + 2\log_{10} 2 + \log_{10} (\frac{3}{7})\)

A. -3
C. \(\frac{5}{6}\)
D. 1

Question 519:

• WAEC 2012

QRS is a triangle such that \(\overrightarrow{QR} = (3i + 2j)\) and \(\overrightarrow{SR} = (-5i + 3j)\), find \(\overrightarrow{SQ}\).

A. 8i + j
B. 2i - j
C. -2i - 3j
D. -8i - j

Question 520:

• WAEC 2012

If (x + 1) is a factor of the polynomial \(x^{3} + px^{2} + x + 6\). Find the value of p.

A. -8
B. -4
C. 4
D. 8