Waec Further Mathematics Past Questions and Answers

Question 476:

• WAEC 2011

Find the equation of a circle with centre (-3, -8) and radius \(4\sqrt{6}\).

A. \(x^{2} - y^{2} - 6x + 16y + 23 = 0\)
B. \(x^{2} + y^{2} + 6x + 16y - 23 = 0\)
C. \(x^{2} + y^{2} + 6x - 16y + 23 = 0\)
D. \(x^{2} + y^{2} - 6x + 16y + 23 = 0\)

Question 477:

• WAEC 2011

Determine the coefficient of \(x^{2}\) in the expansion of \((a + 3x)^{6}\).

A. \(18a^{2}\)
B. \(45a^{4}\)
C. \(135a^{4}\)
D. \(1215a^{2}\)

Question 478:

• WAEC 2011

The mean of 2, 5, (x + 2), 7 and 9 is 6. Find the median.

A. 5.5
B. 6.0
C. 6.5
D. 7.0

Question 479:

• WAEC 2011

The probability that Kofi and Ama hit a target in a shooting competition are \(\frac{1}{6}\) and \(\frac{1}{9}\) respectively. What is the probability that only one of them hit the target?

A. \(\frac{1}{54}\)
B. \(\frac{13}{54}\)
C. \(\frac{20}{27}\)
D. \(\frac{41}{54}\)

Question 480:

• WAEC 2011

In how many ways can 3 prefects be chosen out of 8 prefects?

A. 6
B. 24
C. 56
D. 336